How much does it cost to tune a BMW 330i?

I’m heading to Santorini for a little solo travel over the summer. I’m trying to keep everything cheap, so I was hoping to skip the car rental and just use public transportation. Is that a good way to get around the island? Or should I rent a car in Santorini?

I’m in the market for a new car, and I have my eyes on the Nissan Rogue. I like that it’s spacious as a crossover, but I’m worried that SUVs don’t always get good gas mileage. What kind of gas mileage does the Rogue have?

How much is non-owner car insurance in North Carolina? I borrow my sister's car frequently to run errands because we live at the same address. She's reluctant to add me to her policy because of my credit problems. She suggested a non-owner car insurance policy, but I'm not sure if it's within my budget.