Is the company telling you this can be done without any kind of credit or employment verification? You do realize these are the two top reasons contributing to our current sad state of affairs?
Most notes contain a due on sale clause, meaning, if title every transfers without the lender's authorization, the lender can call the loan due in full. Taking over the loan (assumption) without the noteholder's permission is called a "land installment contract" which is saying the new buyer is taking over the loan without notification of the lender. In my state (VA), it's highly controversial if legal, even when an attorney conducts the closing. Some say there are some loop holes in the law and can be done legally if one knows what they are doing. If you can't get title insurance from a major title insurer, don't even consider it.
As with everything else, it it's too good to be true, it most likely is not true. I suspect this is a grand way to scam $200 - a perfect price range when one is considering if they are going to go after a refund legally. After all, you would most likely spend more for a lawyer than you would on the original $200,