Discount tire refused to sell the wheels/tires without TMPS sensors, so I got them and they need to be reprogrammed. It is a pain, but nothing that can prevent me from driving. On my last trip to CO I had to ignore the warning light for 10 days.
Here in CA no wheel/tire place (except a mom and pop place) will do any wheel/tire install without TMPS if the vehicle is equipped with a TMPS system.
My wheel/tire guy told me it's a liability issue. If something happens, they will be responsible.
Gotta love our sue-happy nation. Anything to get a quick, easy dollar right?