When it is in person, I do like to feel it.
When online I trust the shop. Also if it is Kaufman, I can be sure that it will be nice. Never been disappointed there.
These are some I have bought from
Quilter Studio
The Quilting Place
Craft Connection
Ann's Fabric and Crafts
Over the Rainbow
Always Open Quilt Shop
Wish Upon a Quilt
The Stitch and Frame Shop
The Tattered Rabbit
Tennessee Quilts