"Retain Ride Popularity - when a ride is new everyone comes to is right? what you do to keep that is to delete a piece and replace with the same piece and the people will think it's new!!" - steven S.

"Having a better park: People like variety. As in gentle rides, roller coasters, etc. This also goes for food. Don't put 4 burgers bars in your park and only have them for food. People like low prices also. I have a $35.00 entry fee and all rides are $0.50 That is my strategy." - Jason Haas

"If you see a person getting ready to leave, grab them and block them in a fence." - chickadee

"When a person is lost and can't find the exit click on them and give them the name 'Melanie Warn' I know you're thinking you're thinking you can only do it once but if you put capital letters on different letters each time the person becomes happy and does not wish to leave the park. " - Dazastor

"When any guest is unhappy , rename him "Melanie Warn". After doing that rename him in his original form.  The Gust should be happy.  This really works and you'll have a lot of happy guests if you keep doing that." - Abhishek