I'm getting ready to transport my mother in my E350 RV from Colorado to Minnesota. I thought I'd take my RV to Discount tire to have my tires balanced before taking on this trip. When I got to Discount tire I was told my tires are more than 8 years old and they will not service them. The tires are like new but the Rv was never driven much. Is this some stupid law everywhere or just here in Colorado? I have several vehicles and don't drive any particular one very much. This could be a problem.