Yes in the long run its more affordable.
Each individual will spend what they can afford.
Some will go broke and some will never get enough.
Some will race on a budget some wont.
To race competitively in a sole effort to win its very pricey. Start up will drain the wallet.
To solely race start up is much more affordable.
It depends on how much RC racing gets embedded in the heart and soul.
Some Love it others just like it.
When it comes to afford ability brushless lipo is a great alternative.
And great for the already racer.
RTR is the best short cut for getting into racing.
I would guess over the years we will see more competitive RTR's. With winning more in mind than just racing as a starting point.
Sowing up to win is pricey.
Showing up to race is as cheap as you want it to be.