Today’s robot vacuums are becoming a bit like cars: with all the features, upgrades, and fancy trimmings available these days, it’s easy to forget that they can just be simple machines that get us from point A to point B. Yes, some bots blow hot air on their bums (mop pads) and deftly navigate dog poop, but there are plenty of basic budget robot vacuums that just do a decent job of cleaning your floor autonomously — as long as you tidy up first.

While higher-priced, higher-powered robot…