Notes on getting paid

Invoicing, tax, chasing without damaging the relationship, and running a business whose revenue arrives in bursts. Written for the person who does the billing.

Latest

How to forecast revenue when you do not bill the same amount every month

Project businesses are told to look at MRR, which they do not have. Here is a model that works when your income arrives in bursts: four layers, sorted by how certain each one is, never added together.

24 Aug 2026 · 4 min read

CGST and SGST, or IGST: how to know which goes on your invoice

One field decides it, and it is not the one most people think. A practical guide to place of supply for services, why exports are different, and the mistakes that cost the most to unwind.

11 Aug 2026 · 3 min read

GST Invoicing

How to chase an overdue invoice without damaging the relationship

Most unpaid invoices are not refusals, they are stuck in somebody's approval queue. A sequence that escalates in stages, asks for one specific thing each time, and never threatens.

28 Jul 2026 · 4 min read

Getting paid

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