We did the trip driving last year. We used about 500 cash up and 500 back and used it up in the end for gas and eating out. We took two cards which saved us seeing one had the number stolen in Denali. We didn't notice it until 7 days after the fact when we could check the balance. 1299.00 was taken. The card company stopped it and issued another but we couldn't get it because we were in Alaska. I used the other. The second card saved us. What a great trip even with that problem. We were gone almost 3 months. No problem finding ATM'S if needed.