September 15, 2026 · 5 min read
A regular customer asks to take goods and pay next week. You know them, you trust them, and refusing feels like turning away money. So you say yes. Then the next customer asks. Then you forget exactly what each one took, or how long ago. Somewhere in that memory, a franc of profit quietly becomes “maybe they will pay someday.”
Credit is not the problem. Bad record keeping is. Here is a way to sell on credit without losing sleep or money.
Write the debt down the moment it starts
A credit sale is still a sale. Record it the same day with the same clarity as a cash sale: what was sold, the amount, the customer, and the fact that it is unpaid. When a credit sale is recorded without a paper trail, it stops being a receivable and starts being a guess.
Keep one running balance per customer
Instead of remembering debts scattered in your head, keep a single number for each customer: what they owe in total right now. Every credit sale adds to it; every payment reduces it. When the number is visible, you know instantly who to follow up with and who is safe to serve on credit again.
Record every settlement the moment it happens
When a customer pays off part or all of a debt, note it immediately - the amount and the method (cash, mobile money, bank). Whether the money arrives through an MTN payment request or the customer sends it directly to your number, the important thing is that the balance is corrected the same day. A missing payment record is the same as a missing debt: it makes next month’s numbers wrong.
Identify the risky balances early
A customer who has not paid in two months is not the same as one who pays every Friday. Look at your oldest unpaid balances regularly and agree on a payment date. Catching a slow payer early is far cheaper than writing off a big balance later.
Let the tool keep the books
SmartCunga handles all of this without extra effort. Record a credit sale and the customer’s balance updates automatically. Record a payment and the debt reduces. You can see who owes what at any moment, settle overpayments cleanly, and keep the sales, credits and stock figures in one place. Built for Rwandan SMEs, in English and Kinyarwanda.
Trust is good for business. A clear record of debt is how you make that trust safe.