you don’t need a washer and a dryer in every unit, but you can have like 2 washers, a heated drying room with good ventilation and a tumble drier per, like, 20 units. a communal laundry room where you book a time slot like once every week or two weeks. very common in Scandinavian rental blocks.
barbers where you live take 60 dollars for a machine touch-up???