"Try to build different room types. So they can ask for room upgrades or
you can make more money.
This tip might work. 50%" - hints to the game
"If you see that a customer has a complaint or need try and get to it as
soon as possible. This will make them happier, and cause your customer
satisfaction to go up." - Madeleine
"If you find a room takes up to much space, eg. Health facility, don't
build it and the customers wont complain." - Brendan