How to get good earning buisnesses for cityville ?

How to get good earning businesses for cityville ?

1: go to a cityville fan page with lots of fans 
2 : comment on one of their posts saying ADD ME
3 : you should start to receive lots of friend requests 
4 : once you have got about 25-30 new friends requests
4: accept them all and add all of your new friends as neighbors on cityville 
5: then put about 5 empty business lots in your city and in a few hours time go back to your city and you will have business requests so accept them and at least  half will be very good businesses which will give got at least 600 coins per collection