Good thoughts OP. I've long thought there are probably lots of opportunities like this; charters, lotteries, hospitality tents with food, weekend deals, parties, gifts, premium packages, etc.
That said, one area where I give the Ralph bad marks as someone outside the regain now (up in VT) are the accommodations near the stadium.
There's the (allegedly, since I've never stayed there) crappy Red Roof Inn, but not much else near the stadium. It would be great to have a nice, clean hotel within walking distance of the stadium.
While I know Buffalo loves it's drive-in, party, drive-out scene, people traveling distances might be looking for more. I know I am. I've dragged friends from VT down to stay in an RV, which is a blast, but a near on-site hotel would be sweet.
Obviously a hotel can't survive on 7 games a year, but still it would be nice!