Cheap Flizzr Car Hire Deals at Berlin Potsdamer Platz Bahnhof, Berlin

Most rental companies will require a credit card for the deposit, which is typically frozen in your account. Make sure to inquire about the specific deposit amount and the policy for releasing the freeze.

Select a pickup location that is convenient for you. Some rental companies offer locations within the airport for quick access, while others may require shuttle transportation.

When renting a car, understand the fuel policy. A 'Full-to-Full' policy means you return the car with a full tank, while 'Same-to-Same' means you return it with the same level of fuel. Full-to-Full is often more cost-effective.

Research fuel prices in the area where you'll return the vehicle. Filling up at a local station may be cheaper than paying for fuel through the rental company, especially if they charge higher rates.

Ask the rental company about their specific pickup and drop-off processes for a hassle-free experience.

Download offline maps or bring a secondary GPS in case the station's signal is weak.

If you plan to park at the station, check out the parking options and fees ahead of time for convenience.

Before booking, check for any promotional offers or discounts that may be available. Many rental companies provide seasonal deals or discounts for early bookings.