In the midst of all this madness, we MUST protect ourselves...
God forbid, but should it happen that your animal becomes ill, you will need to know/demonstrate exactly what he/she has been eating.
Receipts need to be retained - develop a system
Consider keeping all packaging* - lot numbers may be critical info
*I've taken to washing out the wet food cans, throwing them in a bag under the sink - each week, new bag, with the old one (getting labelled for dates) going to the basement and into a large garbage bag.
-food for thought