I try and get most of mine at Spotlight, even if it is an hour away!

There is a business called The OzMaterialgirls (on FB and just a general website) which has a great range of fabric. I've bought some off them before. They have a spinoff FB page calle TOMG's $1 Auctions which lists all their sales (auctions and buy it now sales). I've found that they sell most of their fabrics by the yard/half yard, and when you compare it to buying by the metre (from Spotlight) it can get fairly exxy depending on how much fabric you actually need.

ETA: a couple of others are Funky Fabrix and Bubbamia fabrics, both have FB pages.