I made it to a little over 36000 miles before I changed the wheels. I had the spare sitting in the attic for a while after buying them from a Camaro 5 member in 2010. They had almost no miles on them and I bought them for about $100 each.
Here are some photos of why you should rotate them more often. Plus laying off the burnouts when you can. I'm a little embarrassed how long I let these go.