To be fair, unless you personally have access and experience in producing something like this, then his solution although desirable, is not cheap or practical, unless he's gonna spin up some extra ones and make them available cheap! [...unlikely]
My ol' 700 hasn't had it's belts done in 40 years, and obviously due for a change even tho' [sadly] I never use it, so if I stick in some new ones, then it should be good for another 40 years.
I'll be long gone by the time they wear out...