If you want to make money online, you need to learn to separate fact from fiction and recognize what claims are hype and what claims are factual representations of things you could actually accomplish.
Many marketers make money online because they prey on others that want to make money online. They create programs that promise to help you earn one thousand dollars tomorrow or four hundred dollars in 15 minutes of work, and these sorts of claims are ridiculous. No matter how good the copy is, you have to do some work to make sure that you are verifying claims made that way. Search Google with the name of product creators and read online forums that discuss methodologies. Try and find honest reviews, not just ones that people are promoting because they have affiliate links that will earn them commissions if people buy from those links. Move with caution and you would surely win.