I agree, if you have bead-locks, you can mount them yourself.
If no bead-locks look for a tire store that has a tire machine that uses a plastic wheel to roll the slick bead onto the rim, not a steel lever looking device that slides on the rim edge to peal the bead on.
I learned the hard way about the better tire machine, when Hayden Wheels took off some very old/ hard GoodYear Blue Steaks off of real mag Halibrand so we could polish and put a clear baked on coating so the mag would not turn green in a week. This was for the Adams-Wyre-Mulligan cackle car to put in the NHRA Museum. But after I had my regular tire shop that I used to change slicks for our JF car, they used the sliding steel lever to install the Blue Steaks again, but the lever skipped up off the tire bead and gouged the clear coating. So I had to find someone/ something to strip the baked-on clear off to re-polish, and re-clear the wheel. That's when I found the new tire machine with the plastic roll-on wheel. Still not easy but those hard Blue Streaks did go on with-out screwing up the wheel.
BTW i have done this clear baked on coating on a number of real mag wheels. I started offering this service for front wheel customers that wanted polished alum front rims, but didn't want to have to hand polish them again. They just use spray-on detail wax.
I hope this helps !
Jon, 800-624-3803