Never did see why people can't respect others property.
About every other friday a few of us get together over at a my friends house (18 years old and accualy owns a small house outside town

) Always tends to go from 10 people to 30 and 50 rather fast. Things never do get out of hand though. Sure the house is currently not in living order...holes in walls, no heat, nice outside but inside is the true meaning of "fixer uper"....you get the idea. But even though theres not much you could do to make it worse...everyone still respects it and does not cause any damage. Can't say much for our trucks outside. Truely hate waking up the next morning/afternoon and having to clear 20+ beer, and pop bottles off the hood so I can leave...Or there was last friday when someone was crashed out in the bed of my truck :-/
Main thing is...If you dont want a lot of people there then dont annonce it. Even if you only expect a few to accualy show up you have to be prepared for the unexpected. 10 people can turn into a mass of 50+ in a matter of minutes

:-/