Plan the basket before entering the shop or ordering online.
Quick action: 5 minutes · Recurring
Why it can help
A short list can reduce forgotten essentials and make impulse additions easier to spot.
How to try it
Check cupboards, fridge and freezer first. Plan a few meals, then list only what is needed to complete them.
Things to consider
Leave room for sensible substitutions when an alternative is cheaper per unit or better value for what you will actually use.