Insights

A collection of articles Insights carefully curated by the GTG Team

GTG CRM: Customer management solution to increase loyalty and optimize sales efficiency

GTG CRM: Customer management solution to increase loyalty and optimize sales efficiency

Top 5 best sales software of 2026

Top 5 best sales software of 2026

Deadline for First-Time Business Tax Registration

Deadline for First-Time Business Tax Registration

Why Does Facebook Keep Rejecting Ads? 5 Reasons You Need to Know

Why Does Facebook Keep Rejecting Ads? 5 Reasons You Need to Know

5 Important Keyword Match Types in Google Ads and How GTG CRM Helps Manage Them Effectively

5 Important Keyword Match Types in Google Ads and How GTG CRM Helps Manage Them Effectively

CRM for Spas, Restaurants, Courses, Real Estate - Customer Management + Automatic Appointment Reminders

CRM for Spas, Restaurants, Courses, Real Estate - Customer Management + Automatic Appointment Reminders

[LATEST] Decree 320/2025/ND-CP guiding the implementation of the Corporate Income Tax Law 2025

[LATEST] Decree 320/2025/ND-CP guiding the implementation of the Corporate Income Tax Law 2025

Managing Inventory Across Multiple Warehouses - The End of the Excel Era

Managing Inventory Across Multiple Warehouses - The End of the Excel Era

The Most Effective Way to Attract Leads and Take Care of Customers on Zalo Official Account

The Most Effective Way to Attract Leads and Take Care of Customers on Zalo Official Account

Challenges and opportunities in the era of "self-declaration and self-payment"

Challenges and opportunities in the era of "self-declaration and self-payment"

Multi-channel and Omnichannel: Transforming Strategy to Unlock Customer Experience – The Secret to Reducing Sales & Marketing Costs by 20%

Multi-channel and Omnichannel: Transforming Strategy to Unlock Customer Experience – The Secret to Reducing Sales & Marketing Costs by 20%

Email Marketing for Training Centers - 3x More Effective for Student Recruitment

Email Marketing for Training Centers - 3x More Effective for Student Recruitment

7 best multi-channel messaging management tools today

7 best multi-channel messaging management tools today

Marketing Automation: 10 Workflows Every Agency Needs

Marketing Automation: 10 Workflows Every Agency Needs

What is meta description? How to optimize meta description for SEO

What is meta description? How to optimize meta description for SEO

GTG CRM vs HubSpot vs Salesforce - Which CRM is Right for Small Businesses in Vietnam?

GTG CRM vs HubSpot vs Salesforce - Which CRM is Right for Small Businesses in Vietnam?

Everything About Zalo OA: Instructions for Registering an Official Business Account from A to Z

Everything About Zalo OA: Instructions for Registering an Official Business Account from A to Z

Master multi-channel social media, grow easily with GTG CRM platform

Master multi-channel social media, grow easily with GTG CRM platform

The "Left Brain AI" Model in Marketing

The "Left Brain AI" Model in Marketing

What is a Cloud Call Center? How it works, what are the benefits, and why should you use Twilio?

What is a Cloud Call Center? How it works, what are the benefits, and why should you use Twilio?

Agency for Optimizing Facebook and Google Ads ROI — From 1 Dashboard

Agency for Optimizing Facebook and Google Ads ROI — From 1 Dashboard

Should you run Facebook Ads or Google Ads when starting an online business?

Should you run Facebook Ads or Google Ads when starting an online business?

Common mistakes when managing orders manually.

Common mistakes when managing orders manually.

Standard Order Processing Procedure for Online Sellers

Standard Order Processing Procedure for Online Sellers

Why are my ads not generating sales? 7 common mistakes beginners often make.

Why are my ads not generating sales? 7 common mistakes beginners often make.

Household Business: A Simple Startup Model for Vietnamese People

Household Business: A Simple Startup Model for Vietnamese People

Integrating AI to create standard Google Ads Headlines for sales for advertisers

Integrating AI to create standard Google Ads Headlines for sales for advertisers

GTG CRM - Mass Email Sending Tool, Simple on Email Template

GTG CRM - Mass Email Sending Tool, Simple on Email Template

Managing Inventory When Changing Business Models

Managing Inventory When Changing Business Models

Managing Facebook and Google Ads from a Single Dashboard — A Guide for Agencies

Managing Facebook and Google Ads from a Single Dashboard — A Guide for Agencies

Guide to Issuing Electronic Invoices with GTG CRM — From A to Z

Guide to Issuing Electronic Invoices with GTG CRM — From A to Z

Deductible reasonable expenses when filing corporate income tax returns and the role of electronic invoices.

Deductible reasonable expenses when filing corporate income tax returns and the role of electronic invoices.

Differences between sole proprietorships and businesses: which type should you choose?

Differences between sole proprietorships and businesses: which type should you choose?

Checklist for Verifying Electronic Invoices Before Sending Them to Customers (Avoid Errors)

Checklist for Verifying Electronic Invoices Before Sending Them to Customers (Avoid Errors)

AI Chatbot for Restaurants - Automatically Takes Table Reservations via Zalo and Facebook

AI Chatbot for Restaurants - Automatically Takes Table Reservations via Zalo and Facebook

Top 7 Most Popular Basic Facebook Advertising Forms

Top 7 Most Popular Basic Facebook Advertising Forms

Guide to Registering a Household Business: Process, Documents, and Things You Need to Know

Guide to Registering a Household Business: Process, Documents, and Things You Need to Know

How to read Ads reports to know if you're making a profit or a loss.

How to read Ads reports to know if you're making a profit or a loss.

AI Creates Professional Product Images in 30 Seconds - No Designer Needed

AI Creates Professional Product Images in 30 Seconds - No Designer Needed

The secret to building a SEO-standard Website/Landing Page: A solid foundation for every Digital Marketing campaign

The secret to building a SEO-standard Website/Landing Page: A solid foundation for every Digital Marketing campaign

Why do online sellers have difficulty controlling their business?

Why do online sellers have difficulty controlling their business?

What is Landing Page? How to create a professional Landing Page

What is Landing Page? How to create a professional Landing Page

Create SEO-standard Landing Page to attract potential customers with GTG CRM

Create SEO-standard Landing Page to attract potential customers with GTG CRM

Google Ads Recommendations: When to Listen, When to Ignore

Google Ads Recommendations: When to Listen, When to Ignore

Decree 123: Everything You Need to Know About Mandatory Electronic Invoices - Who Must Use Them, When, and How to Comply

Decree 123: Everything You Need to Know About Mandatory Electronic Invoices - Who Must Use Them, When, and How to Comply

What is Twilio? Detailed guide to creating a Twilio account for beginners

What is Twilio? Detailed guide to creating a Twilio account for beginners

Are household businesses eligible for a refund of personal income tax already paid?

Are household businesses eligible for a refund of personal income tax already paid?

Explode sales with 3 steps of standard customer data analysis

Explode sales with 3 steps of standard customer data analysis

What is Prompt AI? How to write effective content with AI

What is Prompt AI? How to write effective content with AI

Year-end tax peak: Businesses and household businesses face pressure from "self-declaration and self-payment".

Year-end tax peak: Businesses and household businesses face pressure from "self-declaration and self-payment".

Businesses operating on e-commerce platforms with revenue exceeding 1 billion VND are required to issue invoices.

Businesses operating on e-commerce platforms with revenue exceeding 1 billion VND are required to issue invoices.

The Ministry of Finance proposes that household businesses with revenue under 500 million VND be exempt from tax starting in 2026.

The Ministry of Finance proposes that household businesses with revenue under 500 million VND be exempt from tax starting in 2026.

Electronic Invoices Mandatory from 2026 - A Complete Guide for Online Sellers

Electronic Invoices Mandatory from 2026 - A Complete Guide for Online Sellers

Marketing Automation for SMBs — 5 Essential Automated Workflows

Marketing Automation for SMBs — 5 Essential Automated Workflows

Run Facebook Ads and Google Ads campaigns effectively with AI using GTG CRM.

Run Facebook Ads and Google Ads campaigns effectively with AI using GTG CRM.

Is it okay to sell online without issuing invoices?

Is it okay to sell online without issuing invoices?

5 steps to create effective content, attracting tens of thousands of potential customers

5 steps to create effective content, attracting tens of thousands of potential customers

Are expenses without invoices considered deductible costs?

Are expenses without invoices considered deductible costs?

Run Facebook Ads and Google Ads campaigns effectively with AI using GTG CRM.

Run Facebook Ads and Google Ads campaigns effectively with AI using GTG CRM.

Mistakes made when focusing only on the number of orders and ignoring hidden costs.

Mistakes made when focusing only on the number of orders and ignoring hidden costs.

7 steps to create a detailed Digital Marketing plan from A-Z

7 steps to create a detailed Digital Marketing plan from A-Z

GTG CRM vs MISA - Which is the Right Electronic Invoice Software for You?

GTG CRM vs MISA - Which is the Right Electronic Invoice Software for You?

How to Optimize Landing Pages for High Conversion Rates

How to Optimize Landing Pages for High Conversion Rates

Not targeting the right people? 4 steps to create customer portraits with GTG CRM

Not targeting the right people? 4 steps to create customer portraits with GTG CRM

The best Facebook advertising plan for beginners 2025 [Free set of 8 sample sheets]

The best Facebook advertising plan for beginners 2025 [Free set of 8 sample sheets]

6 Bidding Strategies in Google Ads

6 Bidding Strategies in Google Ads

Frequently Asked Questions About Retargeting & Audience Files

Frequently Asked Questions About Retargeting & Audience Files

Gift Sales Schedule for the Year & How to Optimize Revenue with SEO-Standard Landing Page

Gift Sales Schedule for the Year & How to Optimize Revenue with SEO-Standard Landing Page

Things to Note When Running Retargeting Ads

Things to Note When Running Retargeting Ads

Guide to Filing and Paying Taxes for Household Businesses Operating on E-commerce Platforms

Guide to Filing and Paying Taxes for Household Businesses Operating on E-commerce Platforms

How to Set Up & Pay for Facebook Ads From A to Z

How to Set Up & Pay for Facebook Ads From A to Z

Everything You Need to Know About Electronic Invoices: When to Issue Them, and How to Handle Errors

Everything You Need to Know About Electronic Invoices: When to Issue Them, and How to Handle Errors

08 Important KPIs when promoting on Social Networks

08 Important KPIs when promoting on Social Networks

Discover how GTG CRM uses AI to improve Facebook & Google advertising performance

Discover how GTG CRM uses AI to improve Facebook & Google advertising performance

Do revenues from e-commerce platforms need to be declared for tax purposes?

Do revenues from e-commerce platforms need to be declared for tax purposes?

Common mistake: Running ads without a sales process in place.

Common mistake: Running ads without a sales process in place.

Top 03+ lean business models "reign" during economic recession

Top 03+ lean business models "reign" during economic recession

SEO Standard Landing Page: The Key to Growth That "Wins the Hearts" of Both Google and Customers

SEO Standard Landing Page: The Key to Growth That "Wins the Hearts" of Both Google and Customers

Common invoicing errors that are subject to penalties: fines, statute of limitations, and how to handle them.

Common invoicing errors that are subject to penalties: fines, statute of limitations, and how to handle them.

Revealing business secrets that make startups successful

Revealing business secrets that make startups successful

Retargeting: Detailed Explanation and Effective Implementation Methods

Retargeting: Detailed Explanation and Effective Implementation Methods

Regulations on Electronic Invoices for Individual Business Households

Regulations on Electronic Invoices for Individual Business Households

The difference between sales ads and lead generation ads: What beginners need to understand correctly before spending money.

The difference between sales ads and lead generation ads: What beginners need to understand correctly before spending money.

5 Landing Page Templates for Agencies - Create a Page in 30 Minutes

5 Landing Page Templates for Agencies - Create a Page in 30 Minutes

Common legal risks when doing business online

Common legal risks when doing business online

Summary of Replacement Invoices and Adjustment Invoices

Summary of Replacement Invoices and Adjustment Invoices

Managing Multiple Branches of Warehouses for Sole Proprietors - The Era of Excel is Over.

Managing Multiple Branches of Warehouses for Sole Proprietors - The Era of Excel is Over.

Frequently Asked Questions & Mistakes to Avoid in Business

Frequently Asked Questions & Mistakes to Avoid in Business

What is the difference between a website and a landing page? Online businesses need to understand this correctly to use them appropriately.

What is the difference between a website and a landing page? Online businesses need to understand this correctly to use them appropriately.

GTG CRM - Comprehensive Marketing Platform to Boost Sales for Small Businesses

GTG CRM - Comprehensive Marketing Platform to Boost Sales for Small Businesses

Issuing output invoices but lacking input invoices: Risks and legally compliant handling methods.

Issuing output invoices but lacking input invoices: Risks and legally compliant handling methods.

All-in-One Software for Marketing Agencies - Replaces 6 Tools with 1

All-in-One Software for Marketing Agencies - Replaces 6 Tools with 1

AI Content Marketing Comparison — ChatGPT vs GTG CRM AI

AI Content Marketing Comparison — ChatGPT vs GTG CRM AI

Complete Checklist: Documents & Procedures for Switching to Tax Filing for Household Businesses

Complete Checklist: Documents & Procedures for Switching to Tax Filing for Household Businesses

Top 6 Must-Have Invoice Software for Household Businesses (2026)

Top 6 Must-Have Invoice Software for Household Businesses (2026)

No more forgotten Leads: Automate management, increase conversion rate 3 times

No more forgotten Leads: Automate management, increase conversion rate 3 times

Running Google Ads without understanding these 5 metrics means you're "burning money" instead of making money!

Running Google Ads without understanding these 5 metrics means you're "burning money" instead of making money!

“One-person operation” business: A booming business trend after the pandemic

“One-person operation” business: A booming business trend after the pandemic

In-depth Analysis of Factors Optimizing Google Ads Effectiveness

In-depth Analysis of Factors Optimizing Google Ads Effectiveness

Managing cashless payment documents for household businesses (Group 3)

Managing cashless payment documents for household businesses (Group 3)

Popular Facebook Ad Objectives to Increase Conversions and Sales

Popular Facebook Ad Objectives to Increase Conversions and Sales

GTG CRM - The Best Social Media Multi-Channel Management Tool 2025

GTG CRM - The Best Social Media Multi-Channel Management Tool 2025

Update new consumption trends in Vietnam in the period 2025 - 2030

Update new consumption trends in Vietnam in the period 2025 - 2030

Do Free Electronic Invoicing Software Exist?

Do Free Electronic Invoicing Software Exist?

Ad metrics are important, but beginners often misunderstand them.

Ad metrics are important, but beginners often misunderstand them.

Which Business Expenses Are Deductible from Taxes?

Which Business Expenses Are Deductible from Taxes?

10+ Landing Page Templates for the Service Industry - Create a Page in 30 Minutes

10+ Landing Page Templates for the Service Industry - Create a Page in 30 Minutes

Choose the Right Keywords for Google Ads From the Start to Save 70% of Your Budget

Choose the Right Keywords for Google Ads From the Start to Save 70% of Your Budget

Synchronize Shopee, Lazada, and TikTok Shop Orders - To a Single Dashboard

Synchronize Shopee, Lazada, and TikTok Shop Orders - To a Single Dashboard

Why is there traffic but no conversions?

Why is there traffic but no conversions?

Should you hire an agency to run your ads or do it yourself? When is the right time to do it?

Should you hire an agency to run your ads or do it yourself? When is the right time to do it?

Practice: Self-declaring taxes using the HTKK software.

Practice: Self-declaring taxes using the HTKK software.

Tax filing guide for new sellers

Tax filing guide for new sellers

Hiring staff: Taxes and responsibilities of the shop owner.

Hiring staff: Taxes and responsibilities of the shop owner.

The real estate market is gradually stabilizing, what should businesses do?

The real estate market is gradually stabilizing, what should businesses do?

Save 30–50% of your operating time with GTG CRM for SMEs.

Save 30–50% of your operating time with GTG CRM for SMEs.

Why Do Small Businesses Need Multi-Channel Inbox? - Manage Zalo + Facebook + Email from One Place

Why Do Small Businesses Need Multi-Channel Inbox? - Manage Zalo + Facebook + Email from One Place

Standard Google Ads Campaign Structure: Focus on optimizing costs and increasing conversion rates

Standard Google Ads Campaign Structure: Focus on optimizing costs and increasing conversion rates

Top 10 "HOT" Marketing Tools Today

Top 10 "HOT" Marketing Tools Today

Remarketing Tips: Turn Potential Customers into Real Customers

Remarketing Tips: Turn Potential Customers into Real Customers

Discover 5 effective marketing strategies for small businesses to increase sales

Discover 5 effective marketing strategies for small businesses to increase sales

What are TOF, MOF, and BOF? How to build an advertising funnel for beginners.

What are TOF, MOF, and BOF? How to build an advertising funnel for beginners.

Automatically Generate Invoices from Orders - Save 2 Hours Every Day

Automatically Generate Invoices from Orders - Save 2 Hours Every Day

Comparing 3 Types of Electronic Invoices: With Code, Without Code, and Tax Authority Code - Which One Should You Choose?

Comparing 3 Types of Electronic Invoices: With Code, Without Code, and Tax Authority Code - Which One Should You Choose?

06 ways to build an optimal marketing & sales system with GTG CRM

06 ways to build an optimal marketing & sales system with GTG CRM

Documents and Procedures for Business Tax Settlement in 2026

Documents and Procedures for Business Tax Settlement in 2026

Follow-up properly, revenue increases automatically: How to "warm up" cold leads with Email Marketing

Follow-up properly, revenue increases automatically: How to "warm up" cold leads with Email Marketing

Smart Marketing Solution for SMEs: Cut Costs, Maximize Efficiency with GTG CRM

Smart Marketing Solution for SMEs: Cut Costs, Maximize Efficiency with GTG CRM

Create advertising images and videos using AI directly in GTG CRM.

Create advertising images and videos using AI directly in GTG CRM.

Automated Invoice Management & Product Management for Household Businesses with GTG CRM

Automated Invoice Management & Product Management for Household Businesses with GTG CRM

Do you need to register your business to sell goods? What are household registration and contract-based household registration?

Do you need to register your business to sell goods? What are household registration and contract-based household registration?

9 Mistakes When Running Facebook Ads That Cause Many People to "Burn Money In vain"

9 Mistakes When Running Facebook Ads That Cause Many People to "Burn Money In vain"

Why Should Sole Proprietorships Upgrade to Enterprises? Solutions from GTG CRM

Why Should Sole Proprietorships Upgrade to Enterprises? Solutions from GTG CRM

Tax obligations of individual business households according to the latest regulations.

Tax obligations of individual business households according to the latest regulations.

9 Most Important Facebook Ad Metrics You Need to Know

9 Most Important Facebook Ad Metrics You Need to Know

Discover how GTG CRM turns emotional selling into a professional closing system

Discover how GTG CRM turns emotional selling into a professional closing system

Optimize every touchpoint on the customer journey with GTG CRM's Omnichannel Messaging

Optimize every touchpoint on the customer journey with GTG CRM's Omnichannel Messaging

GTG CRM, Sapo, and Haravan - Which is the Best Software Choice for E-commerce Sellers?

GTG CRM, Sapo, and Haravan - Which is the Best Software Choice for E-commerce Sellers?

GTG CRM – A strategic tool to help startups run their businesses systematically

GTG CRM – A strategic tool to help startups run their businesses systematically

The secret to building a sales process that helps triple your orders

The secret to building a sales process that helps triple your orders

At what revenue level do you have to pay taxes?

At what revenue level do you have to pay taxes?

Practical Secrets to Help Newbies Run Effective Ads Right From the Start

Practical Secrets to Help Newbies Run Effective Ads Right From the Start

In 2026, will sole proprietorships file taxes monthly or quarterly?

In 2026, will sole proprietorships file taxes monthly or quarterly?

Top 3 Facebook Ad Content Errors That Cause Wasted Budget

Top 3 Facebook Ad Content Errors That Cause Wasted Budget

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