How to Track Income and Expenses for a Small Business or Side Hustle
Record every sale and every business expense in one place, categorize them, keep receipts and review monthly. A simple spreadsheet is enough for most side hustles and small online shops.
Quick answer: keep one record of all business income and one of all business expenses, each with the date, amount, category and a note. Save the receipt or invoice for every entry, keep business and personal money separate, and total everything once a month to see your real profit.
Step 1: Separate business and personal money
A separate bank account or card for the business makes tracking far easier and your records clearer. Even a second personal account used only for the business helps.
Step 2: Choose categories
Use a short list you will actually stick to, for example: sales, platform fees, shipping and packaging, materials, software and subscriptions, advertising, equipment and other. Keep the names consistent month to month.
Step 3: Record every transaction
- Date
- Description (who paid you or who you paid)
- Category
- Amount
- Payment method
- Receipt saved? (yes or no)
Marketplace sellers should record gross sales and the fees separately, so you can see what selling really costs.
Step 4: Review monthly
At month end, total income, total expenses and profit (income minus expenses). Compare with last month and with your budget. Monthly reviews catch problems early, such as a subscription you forgot about.
Step 5: Keep records for tax time
Record-keeping rules differ by country. The IRS in the USA, HMRC in the UK and the CRA in Canada each publish guidance on what to keep and for how long. A tracker does not replace professional advice, so check with an accountant or the official guidance for your situation.
Spreadsheet or app?
A spreadsheet is enough for most side hustles and small shops: it is cheap, flexible and you own the data. Apps help once you have many transactions or need invoicing and bank feeds.
Excel trackers that do the math for you
Frequently asked questions
What is the easiest way to track business expenses?
Record each expense with date, amount, category and receipt in one spreadsheet, and total it monthly.
How often should I update my business tracker?
Weekly is ideal, and at least monthly. Small, regular updates are much easier than a year-end catch-up.
Do I need accounting software for a side hustle?
Not always. Many side hustles start with a spreadsheet and move to software when transactions grow.
Is this tax advice?
No. Tax rules vary in the USA, UK and Canada. Check official guidance or speak to an accountant.
Managing your personal money too? Read zero-based budgeting for beginners.
Related reading
- How to make a holiday budget (and stick to it)
- How to plan your new year: a simple goal-setting system
Helpful resource: CFPB: track your spending with this easy tool.
Printables from this post
