I agree with the other poster - don’t pay to do market research. There are free companies out there that you can sign up with on your own to do it. Most likely, that’s all you’d get from that company - info on where to sign up.
Another reliable company is Pinecone Research. The don’t regularly take signups, but will every few months. When they do, get in with them. I regularly get surveys from them. The normal ones are about 2 a month, $5 each. A check comes in the mail a few days after you get the email. If you get selected for an actual product evaluation, they’ll send you the product to test, and another $5 check. I’ve gotten about 8 of the product evaluations so far, some pretty neat stuff. All of it made it to market too.
Greenfield is ok, although they don’t seem to pay as well as they used to. My recent experiences with them are more “chances at a drawing” than actual cash. But they do seem to mail you almost every day.
I think they recently took over GoZing, who does pay cash for their surveys. Either that, or they’re working together, becuase as you answer some GoZing surveys you now end up on URLs that are related to Greenfield.