If you're lazy like me...or don't want to spend a bunch of money at the store on decorations - there is apparently a TON of stuff you can make with things already taking up space in your house (trust me - I watched this video). It also helps if you are a bit crafty, so if you aren't - I recommend recruiting your talented friends to help you while you provide the food and booze so they don't realize they are doing all of the work for you (just keep cutting things and making piles of scraps...it will look like you're working)!