Please Help me with Traffic Booster Services!

Hi everyone! I just want to know about targeting traffic boost services where you pay for click (for example: bidvertiser). Are this services really good or it's a waste of money and time? Do this services show good conversion ranks? I just want to send traffic on clickbank landing pages and to see conversions, is it a good way? maybe someone already have this experience and can give me an edvice how to promote clickbank offers!