Having a party? You want to have wine but don't want to break the bank? I know, but you still want something that is respectable right? If low cost is your yard stick, then not a problem, but you may need to think outside of what you normally drink. Your dollar can be stretched much farther if you are willing to be flexible. 

It will be impossible to cover everything but I'll share some guidelines that may help the masses. Who are your guests and what are they accustomed to drinking? Everyone coming knows its a party ...