Answer:
When considering whether or not something of this nature is a scam, you have to look for anomalies like is the reward vastly greater than the cost. Does the pitch not hint at how it works but goes on and on about the possibilities, outcomes, rewards, etc... Is the name of the person who succeeded doing it have a unique name or is it something common like Melissa Johnson. Are you asking people via Internet blogging if it's a scam? If you have any doubt that it's a scam then it's a scam.
Simply put, It's a scam.