It’s almost summer. You’re deep into daydreaming about your out-of-office email messages and what they represent — the campfire s’mores, yoga on the beach and sipping mai tais with tiny umbrellas. Before living out your vacation fantasy, there is one daunting task ahead: settling on how much you can afford to pay during one of the most popular travel seasons. Here are six tips to consider when trying to escape for the summer on a budget for this year and next.