Stocking up

I have a habit of going shopping for food, then realising when I get back that I've forgotten something, and having to nip around the corner for it (and being grateful that I have shops around the corner from me). Nevertheless, this is not an ideal situation, and I ought to do something to remedy it. Most people would probably keep a list of what needs restocking up on. My solution is to add the following to my browser's home page, generated from a simple text table:

( View )

Now the only question is whether I can make sure to keep it properly up-to-date...