Be clear about budgets: Vacation time is not exempt from arguments over money. Different budgets and feelings about spending can leave travel companions at odds over what to do next, said Andrew sharp, a psychiatric nurse practitioner at a clinic in New Orleans, Louisiana. Some people will want to go to an expensive restaurant when others weren't prepared to do that. he said. Discussing budgets before the trip will reduce misunderstandings and help travelers see when there's extra money to spend. aplan recommends deciding how shared costs will be will they be split equally as you go calculated at the end of the trip?