Most car rental companies in Roccaraso require a credit card for renting a car. This is to ensure payment and act as a security deposit. It is recommended to have a credit card when renting a car in Roccaraso.

To rent a car in Roccaraso, you will typically need the following documents:

• A valid driver's license from your home country
• A passport or national ID card
• A credit card in the driver's name for payment and deposit
• Proof of insurance coverage or the option to purchase insurance from the rental company

Some car rental companies in Roccaraso may have a minimum age requirement of 25. However, there are also companies that allow drivers between the ages of 21 and 24 to rent a car with an additional young driver fee. It is best to check with the specific rental company for their age restrictions and additional fees.

When returning a rental car in Roccaraso, you will typically need to follow these steps:

1. Fill up the gas tank to the level specified in your rental agreement, if required
2. Park the car in the designated return area or follow the instructions provided by the rental company
3. Remove all personal belongings from the car
4. Return the keys to the rental company's office or drop box, if provided
5. Complete any necessary paperwork or sign the final rental agreement

Yes, it is possible to rent a car in Roccaraso for a one-way trip. Many car rental companies offer the option to pick up the car in Roccaraso and drop it off at a different location within Italy. However, please note that one-way rentals may be subjected to additional fees.

If you return the rental car late in Roccaraso, you may be charged additional fees. Most car rental companies have a grace period of up to 29 minutes for returns, but anything beyond that is usually considered as an extra day of rental. It is best to inform the rental company in advance if you anticipate a late return to see if any arrangements can be made.