Invoicing and small business guides
Plain-English guides on invoices, quotations, receipts and point of sale, for people who run a shop, a stall or a service business.
What to Put on an Invoice: A Checklist
A plain checklist of what every small-business invoice should include, from invoice number and dates to payment terms, so you get paid faster.
12 October 2026 · 3 min read
Quotation vs Invoice: What's the Difference?
A quotation is an offer before the work; an invoice is a request for payment after it. Learn when to use each, and how to turn one into the other.
12 October 2026 · 2 min read
Invoice vs Receipt: What's the Difference?
An invoice asks for payment; a receipt proves it was made. Here is when to issue each, what to put on them, and what to do for walk-in sales.
12 October 2026 · 2 min read
How to Run Car Wash Packages and Memberships
Prepaid wash packages bring regulars back and smooth your cash flow. How to price them, tie them to a car, and track how many washes are left.
12 October 2026 · 2 min read
A Simple Mobile POS for Market Stalls
You don't need a till to ring up sales. How a phone-based POS works for stalls, kiosks and small shops, what to look for, and its limits.
12 October 2026 · 3 min read