2 - Rush through the sales pitch: The scam callers will generally rush through their sales pitch, committing and promising a lot many things along the way. They do so in order to confuse you. They will not give you time to think or question. Even if you put up a query, they will be happy to respond. They can even tell you about a fake website or show you testimonials that are all set up to provide a legit environment. They will be very persuasive and consistent with their efforts.