Sharing a vacation rental with friends or family is a great way to keep costs down, but traveling together can put stress on relationships and potentially spoil an otherwise relaxing vacation. If you're hoping for a drama-free house share this summer, personal finance expert Lauren Lyons Cole has a few things for you to keep in mind. Designating household roles ahead of time can make logistics like collecting payments and picking up house keys run more smoothly. Ditto on proactively deciding how to split costs ranging from basic rent to groceries and miscellaneous expenses. Vacationing in the warm weather can be more enjoyable when you don't spend a boatload of cash, but make sure to anticipate obstacles to ensure your plans go off without a hitch.