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For household usage I think it might be helpful to separate items into categories:

- Frequent use

- Infrequent use & stock needed

- Infrequent use & stock not needed

The first category I wouldn't worry about: you know how much you have stocked due to frequently using it, so just jot it down on a simple shopping list as you feel more stock is needed. Both short and long shelf life items can be placed here, you know when you need more sugar or toilet paper, or when something you use frequently might go bad soon.

The second category would be very good to put in a system like this, complete with expiration dates. These might be emergency supplies and medications, things that are easily forgotten about but shouldn't be lacking at any time. Keeping track and being notified of expiration dates would be pretty important.

The final category is personal choice. Since you don't need a stock of it, then it's non-essential. You could place it in a system like the second category, or you could just throw it on a shopping list when it's running out like the first.

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