Sharp takes on cash flow,
bookkeeping, and small business.

I Used WhatsApp as My Cash Book. Here's What Changed

Two years of tracking cash in a group chat taught me everything about what breaks. Here's the real cost of informal bookkeeping—and what works instead.

How to Track Business Expenses (Without the Spreadsheet Chaos)

Most small business owners track expenses in spreadsheets, notebooks, or WhatsApp groups — and abandon the system within a month. Here's what actually works.