This Dreame robot lawn mower has received a decent discount for October Prime Day, though you'll need to clip a coupon to ...

SAVE $79.80: As of Oct. 9, the Shark Matrix Plus is on sale for $199.99 at Amazon. That's a 25% discount on the list price.

Prices have dropped further on Shark, Roborock, Eufy, and Dreame models. Here’s what to know before choosing one.