SAVE 15%: As of Oct. 29, the NordicTrack T Series 9 treadmill is $806.64 at Amazon, down from $949. That's a 15% discount and a $142.36 price cut.

If you're thinking about finally getting a treadmill for home (especially with the weather getting colder), the biggest hurdle is usually the space. A treadmill is a massive piece of equipment to permanently park in a living room or bedroom, but you could always get a foldable model.