auto dollies?

With auto dollies, are you able to easily push a car around in a garage with a nice concrete floor? I've been trying to sell my car because it can hardly fit in the garage, and has to be pushed all the way against the wall so I can't back it out or open the hood. If I could easily move it around, I might keep it. If the answer is yes, is it still yes for cheap harbor freight dollies like the ones linked to below? thx....

auto dollies?
Author: Jeff