I bought a quilt kit once from an online store. I also bought the backing fabric which was a red. The bleeding looked like a car wreck. I called the company and they gave me store credit for the kit and the backing fabric. I was really impressed with the customer service.
I told them I had washed the finished quilt with color catchers and they did tell me that that isn't best practice. I should have pre-treated the fabric with a dye stabilizers instead.