You have to be very careful looking at the contracts for these products so that you're not required to personally guarantee any losses, etc.. (biggerpockets.com)
But if you do get an offer, always have a lawyer or knowledgeable third party look at the contract before signing. (annerallen.com)
Where people get in trouble is where they don't look at the contract and everyone comes in with a different set of assumptions. (thecreativepenn.com)