I see you have a 2018 motorhome, are the Michelin tires worn out or exhibiting sidewall cracking. I mention this because the original owners of our class A said that after 5 years they had to change out factory mounted Michelin 22.5" tires for excessive sidewall cracking although tires had just 15K miles. They also put on Toyo M154 tires and no cracking visible after 8 years, they still rode smooth and quiet.
Just over a year ago we paid about the same as above poster Yankee Clipper, our 22.5 inch Toyo M154 tires were $360 each and $50 to mount and balance. I shopped around online and from motorhometires.com, they were all much higher than local offerings. I could not readily source tires for our 40' motorhome locally although many tire stores claimed to, finally asked a local mobile RV tech, I would imagine Tampa Bay or nearby regions will have a few.
