2003 BMW 3-SERIES User Comment / Complaint

I purchased cooper tires last summer and do not have 10,000 miles on them and they are starting to fall apart. i had to replace one because they said it was damage because of a pot hole. now i have another one that has a knot in it and i am told that it is due to a stress fracture in the tire cause by a pothole.. it seems like i am being taken advantage of because i am a woman and blonde. two years ago my daughter had to have all 4 of her tires replaced that were cooper because she was told that the radial had flat sides.