Earlier quoted context omitted.
He doesn't say that it is illegal, only that it's so shady that it's likely someone will make a law against it. It could fall under gambling laws, since you're basically buying chances to win the opportunity to buy something at a low price.
Oh, I don't think they'll need a new law in most jurisdictions as soon as they find out about the "Auctions for money". "Wait, so let me get this straight, people routinely 'buy' $100 for $20 on your service, and you profit $300 from the transaction from selling the 'bidding rights' to 'non-winning bidders'?" "Yes." "Oh, thanks. What determines who wins?" "Final bid price." "But paying $20 for $100, why, anybody shou…
There are 6 where they may run into some sweepstakes laws though, I'm not sure. There are states where it is actually illegal to have a contest that is free to enter but awards a prize.