There’s nothing worse than checking your bank statements and noticing that the product or service you purchased cost more than you originally thought. These hidden fees can add up quickly, so here are five to watch out for and avoid. If you’re looking to get around paying the additional service fee on concert tickets, consider buying the tickets in person or looking on no-fee websites. Airbnb charges extremely high service fees, so if you find a property that you like on their app, try searching for the property on other websites. Avoid extra airline seat fees by skipping seat selection and letting the airline assign your seat randomly. Avoid frustrating ATM fees by using machines from your own bank when withdrawing cash. Gyms often disguise high initiation fees behind low membership rates, but they may waive the fee to keep a potential customer.