Teresa Nielsen Hayden, who has run many successful room parties at cons, has just posted detailed instructions on how to run a large room party.

How to bribe a bartender: First, make sure no one else is within earshot. Then, say “How much would I have to bribe you to turn down the music?” Be cheerful and ingenuous. Have the money ready. Do not, under any circumstances, attempt to use a credit card.

Link (via BoingBoing)