The future is here! OK, robotic vacuums aren't that new, but there are a lot to choose from out there! Good robo-vacuums doesn't just suck up dirt. That's basic level. Nowadays, these mini maids can do so much more. Amy Iverson shares three of the best robot vacuums on the market. There is one in each price point: budget, mid-range, and a bit of a splurge.