WowitisCool offers the MWGears Aluminum Alloy Combination Key Safe Lock Box for $21.96 with free shipping. That's $8 off and the lowest price we could find. It features a multi-digit combination lock with up to 1,000 possible combinations and includes mounting hardware. Want to stock up? If you buy 2 or more, the price drops to $19.96 each.
Vinegar is arguably the most versatile product in your house. If you aren't using it for all of these purposes, you're probably wasting money.