Cheap National Car Hire Deals at Union（New Haven Railway Station, New Haven

Before renting a car, check if your personal car insurance covers rental losses. Many personal auto insurance policies and credit cards offer coverage for rentals, which could save you from extra insurance fees.

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.

Bring along your driver's license, ID, and credit card, as these are required for the rental.

Before finalizing your booking, check if the rental company offers free cancellation. This can provide peace of mind if your travel plans change unexpectedly.

To save on refueling costs when departing from Union（New Haven Railway Station, look for deals with a 'full to full' tank fuel policy, or even better, a free tank fuel policy, as opposed to a 'half-full to full' one.

Some rental companies offer a free tank of fuel with your rental. Be sure to understand the terms, including how much fuel you need to return the car with and any potential fees for not meeting these conditions.

Pick a time that aligns with your flight arrival to avoid any complications from delays.

Ask about potential extra costs, such as fees for insurance or airport charges, to plan your budget wisely.