I know other tattoo's and runes aren't in rentals because of the auto lvling on them. However the RoE doesnt auto lvl.
See also wiki: RoE
In it, wiki states Does not gain levels.
It keeps its original networth and lvl. So this item can be rented out.
Some of you might think this would give an unfair advantage for just (new) supporters, but isn't that what supportership is about?
Is it a bad idea or not? You be the judge! Will it ever come in CB? Jon is.