If this is a subject you're interested in I strongly recommend doing a course or reading a book on NLP - Neuro-Linguistic-Programming

It has been hit and miss in my experience. Remember that any PPC campaign can be looked at as a lead generation exercise because your doing just that. With Overture, GoogleAdWords and Espotting at...

skinsentionals.com - thats the one right there!

sounds very professional and beause it's a play on essentials people will remember it

Without knowing which companies your refering to, I would say that anything which seems 'too good to be true' is probably a scam, or at the least they'd be giving you traffice which isnt relevant to...