If you've found your ideal ride but don't want to pay in advance, Expedia has got your back. With our Book Now Pay Later option, you'll only pay in full when it's time to collect your car in Inner Harbour. The rental company will also put a hold on your credit card for the security deposit. Cheaper deals may require you to pay upfront, but this will be clearly indicated in the search results. Whether you're after a zippy compact car or a van to accommodate the family, Expedia is the gateway to your next amazing adventure.