There are many individual sites on FaceBook for someone wanting to "Destash" (sell off) some of their excess fabric. Some will sell as high as $10 per yard and others as low as $3 per yard. you have to join each site before you can buy from one of their sellers. If you check it daily and are the first to respond to an offer you can get some pretty great buys.
Other sites such as Quilt in a Day will have what they call skinny bolts and that is discounted end lots they are selling off at reasonable. Crafttown Fabrics offers an "All or none" deal quite often where they closeout their fabric. Of course on these on-line site you have to pay postage and wait a couple of days to get your order. I've never gotten a bad piece of fabric from these sites. Sometimes the color isn't quite right for what I need but it will work for something else. Good luck in your search for reasonable prices.