I totally didn’t make this list for myself in case I forget where to get certain fabrics for a decent price.
Each link may be sublinked per category/listing to it’s respective fabric type even though its written as just the main page.
Good, well priced, basics:
bigzfabrics.com (shipping fees are high)
fabricwholesaledirect.com
fabrics-universe.com (good value, and free shipping)
rosafabrics.com/collections/fabric (good value)
dfwfabricmart.com (good value)
Faux fur:
bigzfabric.com
howlfabrics.com
shop.hmfurry.com (specialty import stretch faux fur)
sunplus-shop.com (specialty faux fur from japan)
Real leather, faux leather, latex
mjtrends.com (real leather, real latex, faux leather, stretch fabrics)
bigzfabric.com
avetcoinc.com (real leather, but also sells other fabric and eva foam funnily enough)
Spandex, stretch and more
spandexpalace.com
mjtrends.com
rosafabrics.com
Premium prices, specialty fabrics (like silk, real wool etc):
bluemoonfabrics.com
moodfabrics.com
kikitextiles.com
voguefabricsstore.com
rosafabrics.com (power mesh, glittery stuff, corset fabric)
dfwfabricmart.com (extremely invisible thin illusion mesh)
Fleece solids
bigzfabric.com
voguefabricsstore.com
Neoprene/Scuba
fabrics-universe.com
bigzfabric.com
dfwfabricmart.com (starts at only 4.99 a yard)
Custom fabric printing
spoonflower.com
Upholstery foam
foambymail.com (also known as foamfactory.com)
Notions, haberdashery
wawak.com