It really depends on where you live. I agree, for the most part in my part of VA too, 10-14 a yard. We do have on store that isn't a quilt fabric store, it sells everything but is locally owned that actually lowered their prices and increased their stock when Hancock's went out of business. Unlike the other chain store who raised their prices even while Hancock was doing the clearance sale. Maybe so people wouldn't notice increase so much doing it before Hancock closed its doors for good. Plus, I also do garment making and this store sells mostly 60in wide, which is great when placing patterns.
I would just start comparing prices and also most LQS have sign up list where you can get emails and see when and what the sells are. I've had two here that also did buying incentives, one if you saved so much in receipts you'd get a $20 gift card, the other one the register kept track and after so much you got a 25 gift card. Check to see if they have that or anything that could save you. Good luck on your venture and hopefully you'll find some great prices