Yes, he's obviously here just to drum up business for the meet he's running in charlotte. I get that tho, when you're running a meet, you want it to be big.
I believe they can't set a price other than minimum advertised price, but they can tightly manage their distribution network, and kick out dealers that sell for less. So headroom is free to sell the ones in the firs tshipment for $20, but they'd have trouble getting more after that.
do you need more than 3 of the ports live in the apartment? Seems like jumpering from the leviton panel to the router might be the best solution. You'd just run a standard ethernet cable from the leviton jacks straight to the router.