Hey, no one enjoys vacuuming floors any more than they do cleaning the toilet. Both tasks need to get done, but at least a robot can do the former. And Amazon’s Prime Early Access Sale—aka October Prime Day—is a great time to buy your first robot vacuum, upgrade the one you have, or buy a second robot vacuum for another part of the house. Indeed, no smart appliance has brought us closer to a Jetsons-style utopia than the robot vacuum. Why push and pull a noisy appliance across the floor when you can have an autonomous robot do all the work? Here are some of the best deals we’ve spotted in four…