Guides
Keeping track of your things
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How to remember where you put things
The problem is not your memory, it is that you never recorded it. Give things a home, record it once, and search instead of remembering.
How to label moving boxes so you can find anything after the move
Number the boxes instead of describing them, keep one list on your phone, and photograph each box before you tape it shut.
How to keep track of warranties and receipts
Most claims fail because the receipt faded, not because cover expired. What to capture, when to capture it, and which dates matter.