Can you give an example? I just checked a random rental website for France and I got a very clear `From $xx` price and I could — in one step — go to checkout with that exact price by simply not selecting any other options.

Sure you will have upsells but if a price for a service is presented, that should be a final price. You can't tack on "resort fees", the price presented must be inclusive of all the required charges. For example as much as I dislike Booking.com, the price they show for a room includes everything — tax, mandatory cleaning fee and city tax if applicable.

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terminalshort 5 hours ago | parent | next [-]

But it works that way too when I book in the US.

	▲	mathgeek 2 hours ago \| parent \| next [-]
		Which sites have you found with this feature in the US? Every one I have ever used adds various fees to whatever price shows on the listings.
	▲	aakkaakk an hour ago \| parent \| prev [-]
		Lol. No, VAT is never included in US.

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slaw an hour ago | parent | prev [-]

https://www.kayak.com/cars/San-Jose,Costa-Rica-c30707/2025-1...

You can go to the last page and book rental. Only at the airport counter you will learn, there are extra fees you need to pay.