I have purchased bolts of fabric because they are white on white or I just loved the black/white pattern. If you want blenders, this place has bolts of blenders for $2.98/yard (usually 15 yards). Also the white on white (W/W) are $3.25/yard. (Type W/W in the search line).
http://fabric4less.com/
You have to sign in to see the prices, but it is painless.