Motor homes in the UK
We thought about renting one for a week but when we saw how much they wanted we gave it a miss.
Don't rent. Buy one which is second hand and is still in a good condition, with low mileage.
Use it for a year and if you don't like it, sell it.
Chances are that if unlike me you have a couple of months per year to enjoy it, you will either keep it and then be happy in the fact that you did not rent in the first place, or if you decide it isn't for you, you have probably spent less than you would have in rentals because a good one does not drop much in value, if at all in a year.
It is on my wish list, but something called work and kids keeps getting in the way !
I once tried to hire one to go to Glastonbury, I shelved that idea as the prices were so high! I had a tow bar fitted to the car and hired a small caravan instead. If your relative could offer one at a reasonable price I bet he'd do well.