As noted, you will age out before you wear them out. With the dual rear wheels, you have to unmount the tires from the rims. The front and rear rims are not the same, so it is not a matter of just unbolting and rebolting.
Amateur Radio Operator (KE5DFR)|Full-Time! - 2012 6.7L Ford Crew Cab Dually -2013 HitchHiker Champagne 38RLRSB - Travel with one Standard Schnauzer and one small Timneh African Gray Parrot