You’re standing at a tram stop overseas when a local casually warns you that tourists often get overcharged on transit and should just take Uber instead. Suddenly, every subway ticket machine starts looking suspicious, and you begin wondering whether you’re about to accidentally spend your entire vacation budget on one confusing train ride.

Many travelers buy priority boarding expecting a calm experience. Then they arrive at the gate and watch a ton of people board ahead of them anyway.

Can you bring an inflatable mattress on a train? Learn why large items may be prohibited in sleeper cars and what travel rules apply.

I thought I scored the perfect travel deal when I found a flight advertised for just $39. But by the time I went to check out, the price had tripled. Suddenly there were baggage fees, seat selection charges, booking costs, and taxes that barely appeared in the original fare. What seemed like a bargain quickly started to feel like a classic bait-and-switch, and it raised an obvious question: how much of the real price are airlines actually allowed to hide?

I thought I had scored a great deal on a rental car. I skipped the pricey upgrades, returned it on time, and even filled the tank before drop-off. Then days later, my credit card was hit with hundreds of dollars in surprise charges I was never warned about. If this sounds familiar, you are not alone. Travelers everywhere are reporting unexpected rental car fees and damage claims that appear long after the trip is over.

Tips for getting a reimbursement from the airline when they lose your luggage.