Yes beware...I've gone to a couple fabric warehouses and they have fabrics that are great!...then then there are lots that are not so great! Some have very low thread count and that is the sew throughs, had to watch the fiber content because some poly blends were mixed in with the other cotton fabrics. There are times, when you can get a really good buy at wm, but just keep in mind of the amount of time you spend creating a project...do you want it to go down the tube after being used for six months, or do you want it to last through six generations. I vote to purchase the best fabrics you can afford and our time represents out money as well. HAPPY SEWING EVERYONE!