I know lets ask the user Every Single Rotten Twisted Time what there postcode is each time they use the app, and Not allow them to use the app if the dont give it.
Wow who thought of that? Heres an idea lets invent Location services or maybe get it to remember the last postcode I stinking rotten entered, even better get an adult with half a brain to rewrite the hole app from scratch or even better maybe a gold fish. Gold fish have a 5 second memory, get it? or even get........
Rudecoyote about Staples Canada Inc., v2.1