Practical Business Guides for Nigerians | WadMaster

WadMaster business guides

Practical money guides for Nigerian Businesses

Clear answers about invoices, expenses, inventory, payments and tax — written for how Nigerian businesses actually work.

Invoice vs Receipt: What’s the Difference and When Do You Use Each?

Featured guide

Invoicing

8 min read

Invoice vs Receipt: What’s the Difference and When Do You Use Each?

An invoice records what a customer owes; a receipt confirms what they paid. Learn when to use each and how to handle deposits and part payments.

Read the guide

Latest guides

More practical reads

How to Calculate Profit for a Small Business (Step by Step)

Finance

8 min read

How to Calculate Profit for a Small Business (Step by Step)

Learn how to calculate gross profit, operating profit and profit margin from sales, stock costs and business expenses, with practical Naira examples.

Mon, Aug 17, 2026

Dead Stock: How to Spot Slow-Moving Stock and Clear It

Finance

9 min read

Dead Stock: How to Spot Slow-Moving Stock and Clear It

Dead stock is stock you have already paid for that is no longer selling. Here is how to find it using the last date each item sold, work out how much cash it is holding, and decide whether to bundle, discount or clear it.

Sat, Aug 15, 2026

Cost Price vs Selling Price: How to Price Products for Profit

Finance

5 min read

Cost Price vs Selling Price: How to Price Products for Profit

Learn the difference between cost price, selling price, markup and margin, with a practical formula for pricing products profitably.

Thu, Aug 13, 2026

How to Follow Up on an Unpaid Invoice (With Templates)

Invoicing

7 min read

How to Follow Up on an Unpaid Invoice (With Templates)

A practical follow-up schedule and ready-to-use email and WhatsApp templates for Nigerian freelancers and small businesses chasing unpaid invoices.

Wed, Aug 12, 2026

Everything You Need to Know About the Nigeria Tax Law 2026

Taxes

Accounting

5 min read

Everything You Need to Know About the Nigeria Tax Law 2026

Nigeria’s new tax laws came into effect on January 1, 2026. These laws are among the biggest changes to Nigeria’s tax system in years.

Fri, Jan 9, 2026

Habit Building for Expenses and Invoices: The Key to Long-Term Financial Clarity

Accounting

Finance

4 min read

Habit Building for Expenses and Invoices: The Key to Long-Term Financial Clarity

Habit building for expenses and invoices is one of the most underrated skills in small business management.

Fri, Jan 9, 2026

Business

Entrepreneurship

3 min read

Why You’re Struggling to Secure a Business Loan in Nigeria

If you’ve ever wondered why you’re struggling to secure a business loan in Nigeria, you’re not alone. A few years back, a friend introduced me to an entrepreneur who was eager to take their business to the next level.

Tue, Sep 16, 2025

Best Expense Tracking App for Nigerian Businesses in 2026

Expenses

3 min read

Best Expense Tracking App for Nigerian Businesses in 2026

Running a business is never easy, especially when it comes to managing your finances. If you’re a Nigerian business owner, freelancer, or entrepreneur, finding the right expense tracking app for Nigeria is key to staying organized and ensuring your financial health.

Tue, Sep 16, 2025

Invoicing

3 min read

Best Invoicing Software for Nigerian Businesses in 2026

Managing your business finances is hard enough — you don’t need invoicing to make it harder. If you re a freelancer, small business owner, or entrepreneur in Nigeria, finding the right invoicing software for Nigerian businesses can make a huge difference.

Tue, Sep 16, 2025

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