I'm new to hunting wheels/tires. I've always put new tires on the wheels I was given and pretty much ignored regular rotations. I have a new Bighorn Backcountry (18" rims) on order and I am thinking about changing my indolent ways and doing a five tire rotation on this brand new truck. What is the best way to go about this? I assume the most expensive option is to go to the parts desk at my dealer and order up a wheel, and perhaps a tire as well. Although the factory tire is not mainstream it can be found at Tirerack and a couple others so let's concentrate on the wheels. I am mostly wondering where goes to get one. I assumed with all of the people immediately slapping on fancier wheels that they would be easy to come by on Craigslist, Facebook Marketplace, and/or junkyards. I'm not seeing this, although I do see sets of four once in a while. Is it worth cold calling tire shops? Is there some kind of 'wheel trader' website? What is the best way for a person near Tucson, AZ to go out and find one wheel that matches his factory wheels? Is a five tire rotation even worth the effort/expense? Thanks in advance for advice.