Databoy-First, read these 2 threads:
Nuts and bolts of finding and getting jobs
How to Become a Mystery Shopper in Your Area
Yes, it is definitely for real. It is not easy money by any means-it is not even what most people would consider "good" money. It takes alot of hard work (especially at first) and initiative to succeed in this line of work. Good luck on you journey into MSing.