A travel advisor can help you book a vacation, use your travel rewards and score you perks. "And if you're hoping to travel abroad, you'll have to contend with even more regulations, including testing requirements or proof of vaccination. "There's added work involved because all these countries have different restrictions, different requirements, and you have to get them right," Rees says. "I would say using a travel advisor gives you a big leg up on having to do that work yourself because a lot of this information is really hidden away. You have to track all this stuff down," he says.