Floor washing robots

[calypso]

Hired help will be off for a month so I had to sweep and wash the garage. It was not fun.
Anyone know where I can get one of these for cheap?
iRobot scoomba

[Carn]

Hosepipe, bristle broom, one of those rubber brooms with the water blade on 1 end and a floor wizz.

1.) Rinse out with hose
2.) Scrub with soap and bristle broom
3.) Rinse
4.) Use water blade broom to sweep out excess water
5.) Dry with floor wizz

Easy peezy, works on my patio like a charm