Resort fees are probably one of the best examples of rip-offs that travelers have become accustomed to (but still loathe).
Fortunately, there is a proposal to make it illegal to list prices without including mandatory fees. [1] This would include "resort fees" for hotels and "cleaning fees" for airbnbs or other rentals.
1: https://www.sfgate.com/travel/article/hotel-resort-fees-Cong...