Over the past four months, President Obama’s campaign travel expenses have totaled a cool $3 million, which may have factored into his decision to skip this year’s summer vacation. Meanwhile, challenger Mitt Romney has shown that the first step to becoming president is traveling like one: the former governor has poured close to $10 million into travel for himself and his staff. Looking at these price tags, Flipkey decided to go to work and find out exactly what it takes to travel like a president…