Suaoki Air Compressor | $21 | Amazon | Promo code HX8NKJ9V

Update: This deal now works with promo code HX8NKJ9V, if you were having trouble yesterday.

There are few things more irritating than noticing your tires are low on air, and then having to find a bunch of quarters, driving to the gas station, and cursing the heavens when the compressor shuts off before you’ve finished filling all four.

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Instead, just buy this tiny $21 compressor (with code HX8NKJ9V), and fill up your own tires from anywhere. You can thank me later.