There's nothing like waking up on October 31 and realizing you still don't have a costume for that evening's Halloween bash . At that point, store selections are likely picked over, and you're probably fresh out of ideas. So how do you solve this Hallow's Eve conundrum?Believe it or not, easy, cheap, and awesome costumes are actually hiding right in front of your eyes — be it at your local drugstore or supermarket, or even in your own closet. And since dressing up shouldn't sap your energy or dry up your bank account, we sent five Refinery29 staffers to find the low-maintenance Halloween looks of their dreams. And if we say so ourselves, we think this group has proven that the best costumes are the ones that look like they took tons of effort and thought — but were actually thrown together in minutes, and with less than $30.You've only a few days left to get your spook on, so click through for some serious last-minute inspiration. Whether you put these outfits together ahead of time, or wait until the day-of (hey, we don't blame you!), you've got a surefire Halloween win.