Martbin Blog
Short, practical reads for sari-sari store owners in Cavite.
August 2026
How to price your sari-sari items without losing profit
A simple markup rule for fast-moving goods, plus when to round prices up so your barya doesn't run out.
July 2026
Stop utang from eating your capital
Track lista as a liability, set a per-customer limit, and use your money ledger to see how much is out on credit.
July 2026
Accepting GCash and Maya the safe way
Confirm the reference number, keep a screenshot, and post the amount to the right account before releasing goods.
June 2026
Delivery riders for a small tindahan
How to set a fair delivery fee per barangay and keep a rider list you can trust for repeat customers.