If you're hosting, keep in mind that most guests will need about three to four glasses per person.
To build your own at-home bar, keep the following list on-hand:
Shakers, Strainers, Jiggers, Bottle Openers, Wine Keys, Pour Spouts, Margarita Rimmer, Juicer, Cutting Board, Knife, Ice Scoops, Bar Mats, Straws, Cocktail Napkins, Bar Caddies, Fruit Caddies, Glasses or Disposable Cups, Trash cans & Liners, Ashtrays, Coolers, Ice bins and Ice.
Full Bar Stock (in additional to alcohol):
Coke, Diet Coke, 7-Up, Red Bull, Bottled Water, Tonic Water, Club Soda, Grenadine, Bloody Mary Mix, Sour (Margarita) Mix, Orange Juice, Cranberry Juice, Pineapple Juice, Grapefruit Juice, Lemons, Limes, Olives, Cherries, Sugar and Salt.