1. If you don't buy insurance from them, you'll need to pay a deposit (around 20,000 RMB). 2. Be sure to inspect the car; any pre-existing minor scratches will be counted as your responsibility otherwise. 3. There's a daily limit of 95 miles; unlimited mileage costs around 8-10 pounds per day. 4. When calculating the cost, they overcharged us by 50 pounds, and reclaiming it requires contacting their company. We haven't received it back yet. 5. The final amount you pay will definitely not be what you initially saw on the rental site.