What gets held and when you get it back.
Beyond the cost of the rental itself, companies typically hold an additional security deposit on your card, released after a vehicle inspection confirms no new damage. This deposit amount varies by vehicle class and country, and can be a meaningful sum for larger or premium vehicles.
The release can take anywhere from a few days to a couple of weeks depending on your bank, so it's worth planning around that if you're budgeting tightly around the trip.