Every hidden fee, explained
The named charges that turn an advertised price into the real one — what each fee actually is, where it shows up, how to avoid or shrink it, and the honest caveat most explainers skip. Brand-neutral, no invented figures; for live sizing we point you at the data.
A compulsory daily charge some hotels add on top of the room rate for “amenities”.
What it is →A local tax on overnight stays, usually charged per person per night.
What it is →A charge for having your room before the standard check-in time or after check-out.
What it is →A charge to pick your specific seat rather than have one assigned free at check-in.
What it is →A charge to put a bag in the hold, common on fares that only include a small cabin bag.
What it is →A charge to board early and, on some airlines, to bring a larger cabin bag on board.
What it is →A UK tax on passengers flying from UK airports, banded by distance and cabin class.
What it is →A fee an online travel agent or booking site adds for making the booking.
What it is →A fee for paying by a particular method — restricted for consumer cards in some regions.
What it is →The amount you are liable for if the hire car is damaged or stolen, before cover kicks in.
What it is →An add-on that reduces or removes your damage excess — cheapest bought before you travel.
What it is →A per-day surcharge for drivers below an age threshold, often under 25.
What it is →A charge to register a second person to legally drive the hire car.
What it is →A premium for collecting a hire car at the airport versus a nearby town branch.
What it is →A policy that makes you buy a full tank up front and return the car empty.
What it is →A per-person, per-day service charge most cruise lines add automatically to your bill.
What it is →An add-on covering drinks, which are usually not included in the base cruise fare.
What it is →Paid trips at ports of call, usually priced well above what independent tours cost.
What it is →The ongoing cost that often dwarfs the printer itself — the classic razor-and-blades model.
What it is →Add-on cover sold with electronics, on top of your statutory rights and any free warranty.
What it is →See how big these get, live, in the Hidden-Fee Index, or run a specific option through the calculator.