This guide is general information, not financial advice.
Bookkeeping means writing down your business money: every sale, and every cost. It sounds boring, but it is the one habit that stops most money surprises. If you write it down, you know if you made a profit, what you owe, and what you can spend.
You do not need fancy software to start. A notebook, or a simple sheet on your phone, is enough.
Write Down Every Sale, the Same Day
Every time you sell something, write it down the same day: the date, what you sold, and how much money you got. Do not wait until the end of the month — you will forget small sales, and small sales add up.
Example: "11 Nov — 2 soaps — $20." That is all you need. At the end of the week, add up the sales for that week. See our guide on how to manage cash flow for a small business to turn this weekly list into a simple money habit
Write Down Every Cost, To
Write down every cost the same way: the date, what you paid for, and how much. Stock, delivery, packaging, phone, fees, and rent — all of it
Keep the receipt, or take a photo of it, and keep it in one place: one box, one folder on your phone, or one envelope per month. If you lose the receipt, you cannot prove the cost later. For the costs most owners forget, see our guide on the hidden costs of running an online store.
Keep Business Money Separate
Keep your business money apart from your personal money, even if it is just two lists in a notebook, or two simple accounts. When the money is mixed, you cannot tell if the business made a profit, or if you already spent it on personal things.
Pay yourself a fixed amount each week or month, if you can, and leave the rest in the business. That way, a good sales week does not lead to overspending.
Check Your Money Once a Week
Once a week, at the same time, do one simple check. Add up sales for the week. Add up costs for the week. Sales minus costs is your profit for that week, before tax.
If the answer is negative — you spent more than you made — do not panic. Look at the costs: was there one big cost, like stock, that will sell later? Or are small costs adding up? Fix one thing, then check again next week. For a simple monthly plan from this weekly list, see our guide on small business financial planning in 2026.
Keep It Simple, and Keep It Going
Do not buy a big accounting app on day one. Start with a notebook or a simple sheet. Use the same columns every time: date, what it was, money in, money out.
If your business grows, you can move to a simple app later, and your old lists will still help — you will already know your real sales and costs. A simple list you keep every week is worth more than a perfect system you never use.
FAQ: Simple Bookkeeping for a Small Business
How much time does bookkeeping take each week?
About 15 to 30 minutes, if you write things down each day. It takes much longer if you wait until the end of the month.
Do I need an accountant?
Not at first, for a very small business. But ask one for help once a year, or when tax time comes, so you do not miss a rule. Keep your lists and receipts ready for them.
What is the biggest bookkeeping mistake?
Mixing business and personal money, and not writing down small cash sales and small costs. Both make your profit look
wrong.
