Have you ever had the occasion where you overspent on a car rental? If you're looking for tips on booking a car rental, you've come to the right place. That's because one of the travel industry's top ...

Q: I booked a prepaid, nonrefundable rental car through Hotwire. Then, a few days later I booked another car for the same dates by mistake. I tried to cancel one of the bookings and request a refund.

Tom Gainor pays for a rental car through Hotwire.com, but when he gets to the rental counter in Mexico, an agent strong-arms him into buying insurance that more than doubles the cost of the car.

Q: I have a question about car rental insurance. I recently booked a car in Manzanillo, Mexico through Hotwire. I ended up paying $197 in advance for a two-week rental through Thrifty. My practice in ...

Dear Travel Troubleshooter: I recently paid Hotwire $530 to rent a car for a month through Dollar Rent a Car in San Juan, Puerto Rico. I was scheduled to pick up the car at noon, but I arrived at the ...