When booking through Costco Travel, there may be additional fees or charges that depend on the specific type of travel package or service selected. Generally, Costco Travel is known for providing competitive prices and value-added benefits, often including perks such as discounts on rentals, upgrades, or additional amenities. However, travelers should review the details of their selected package carefully, as some aspects like resort fees, airline baggage fees, or cancellation policies might not be included in the initial price displayed. It is also important to keep in mind that some travel services or accommodations may have their own unique conditions regarding fees. For the most accurate and up-to-date information regarding any potential additional fees, it is recommended to refer to the booking details on the current Costco Travel website.