Reputation management is an easy task since keywords are easy... few of twitter / facebook profiles and pages are enough for that...
One of the little secret to discover if you can rank through a parasite easily is to just spend 5 minutes making/downloading any video and upload it on youtube on your specified keyword. And check if it appears within 50 spots after getting indexed.
For commercial keywords you will need few foundation of Web 2.0s and add few PBNs to work.
