Start with the heart of your vacuum's cleaning power. For single brush-roll models, detach the floorhead and remove debris from the bristles. Use scissors to carefully cut away any tangled hair or string. If you have a DuoClean model, clean both the bristle brush-roll and the soft front roller according to your instruction manual.

Overall, the PowerDetect will be the better of the two for most people, just because it's more powerful. However, it is more expensive than the Detect Pro cordless (although not massively) and a bit heavier, too. That's the short version; read on for a more in-depth look all the differences between the Shark PowerDetect vs Detect Pro vacuums.

If this sounds familiar, a robot vacuum can save you time and energy, and thanks to Walmart's Shark Days event, you can grab one for much less. As of Oct. 3, the Shark Detect Pro self-emptying robot vacuum is just $480 at Walmart,