Laundromats that hire an attendant, want to keep the attendant busy. "wash and fold" is how they do it.
for a family of 4 with towels and such, this would cost a fortune. a single person, it is a bargain. $25 to $30 a week.
in years past when i used to travel and be on customer sites for weeks at a time, i would get my laundry done before i went home. pick up the clean clothes on the way to the airport. eliminated one task when i got home.