"-L." wrote:

>
> Well, it is considered extremely poor etiquette (which is the title of
> the thread, afterall...). Asking your guests to pay for anything is
> poor etiquette. If you cannot afford to provide hard liquor, then
> don't. Don't insult your guests by requesting that they pay for it.

Not only is it tacky to ask guests to pay for alcohol at a party, in most places it is
illegal.