I'm sorry you feel that way. But I think your timeline is a little off. You purchased the tires in March 2011, the first tire had a tread seperation in 2015, in which we did not charge you the installation cost. The last tire, June 2017, like I explaned to you, was out of Uniryoals' 6 year warrany but I would take care of it and eat the cost. The total labor cost to you to replace all four tires was $44. I lost more than that in a good customer.