Car Rental in Sŏngnaesam-dong, Seoul, South Korea

Before leaving the rental location, check that the vehicle is stocked with essential emergency supplies such as a spare tire, jack, and first aid kit.

Many rental companies require payment by credit card and may not accept debit cards. If you only have a debit card, check the rental company's payment policies in advance and look for suitable options.

If you’re sharing driving responsibilities, check the regulations regarding additional drivers. Some agencies may charge extra fees, while others might offer complimentary drivers under certain conditions.

If you're traveling with pets, confirm the rental company's pet policy before booking. Some companies allow pets but may have specific fees or restrictions, so it’s best to clarify in advance.

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.

If sharing driving responsibilities, check the policies regarding additional drivers. Some companies charge fees for each extra driver, while others may include it for free under certain conditions.

Opt for a car that is known for its fuel efficiency to minimize costs during your rental. This decision can significantly reduce your overall travel expenses.