What many people don't understand is that under the Fair Credit Billing Act, you only have 60 days to dispute (in writing) a billing error from the date of first billing. A billing error would include charges for undelivered goods. The credit card company would be under no obligation under FCBA to charge back the merchant account.
So, as long as the buyer understands they are essentially loaning their money to this company without the benefit of a credit history or any collateral, then it's on the buyer, IMO. Just don't whine if you lose your money.