Rachel, I try to only buy fabric for a project. When I see all of these "stashes" I think OMG they are never going to use all of that up and look at all the money that is just sitting there being wasted.
A sale is only good if you are going to use it. Even if you get fabric for $1 a yard, in the end, if you havent made it into something, then it gets given to Goodwill or sold at a garage sale.