This is an awesome idea! SO many times you need to touch up a scuff or a nail hole, and need to know which paint you used originally. Genius! Free printable label and binder sheet for labeling paint cans and creating a binder for paint colors.
The Strategy for Simplifying Your Wardrobe via @WhoWhatWearUK My only amendment would be to give pile 4 to charity unless there are big holes or stains, even those items are beneficial to charity as they get paid for rags