Chopin suits central Poland. Check WAW on your flight and booking so you do not reserve a Modlin branch.
Confirm the branch’s terminal desk or meeting point on the voucher. Match the booking to WAW and check its return-car-park instructions before the final drive.
A car is useful for rural accommodation, lake districts and a route with stops beyond the main rail corridors. Warsaw, Kraków, Gdańsk and Wrocław city stays can be separated from the driving days to avoid paying for unused parking.
Compare airport collection with a later collection if you start with a city stay. Include the transport to a different rental branch and any extra parking nights when comparing the total cost.