This woman runs into fees everywhere she goes. Whether she's at the airport, a hotel, or getting her dinner delivered, she incurs unexpected charges. The worst offender to our wallets, however, are car dealerships, Carvana says. Documentation fees, preparation fees and dealer fees can rack up hundreds of dollars on top of the cost of the vehicle. Carvana claims to treat you better and offers zero hidden fees on its transactions, so you can get the car you want while keeping your bank account happy.