If it sounds too good to be true, then it most likely isn't true and has an expensive catch to it.
Here's a transcript of the recording I just got on my cellphone (which is registered with DoNotCall.gov)
"Hi! ... (pause)
Hi! I'm calling on behalf of Charles Raymond, and I'm sorry we missed you.
If you're worried about your financial future, maybe we can help.
For over 5 years, we've trained people to use this voice broadcast system to HONESTLY bring in $1500 to $4000 cash in your pocket every week. Imagine, no chasing friends or family, no cold calling, no selling, and no products to buy - EVER.
For the recorded details, call 313-293-6801. No special charges apply, so to find out what you don't know, just call 313-293-6801."