Philips OneBlade 2-Pack Replacement Blades | $20 | Amazon
Graphic: Shep McAllister

If you own the Philips OneBlade—and we know a lot of you doyou can grab two replacement blades for an all-time low $20 (or $19 with Subscribe & Save) on Amazon right now, the best price we’ve ever seen. Philips claims they last about four months, but I went nearly a year with my first one.