Marshall's Dry Goods in Batesville AR, has fabric for $4 a yard and tons of selection, actually haven't made it there yet but getting ready to make the 5 hour trip up there, huge warehouse setting. By the yard or by the bolt, good deal. It's also online.
I found the nice rose pattern collection at Walmart for $7.97 a yard, when I was in Houston it was $11.97, not as much to pick from but still a good piece of fabric occasionally from Walmart, most of Walmart thin, ugly and if not careful, not cotton.