Car Rentals--Aulani--Have you already rented?

[lovetotraveltx]

I have a question. I booked through Discount Hawaii Car Rental and got Avis. Can't add the wizard number for extra service as it's a discounted rate.

Could get some car through budget directly for $6 more and add my rapid res #.

Does it make a difference in Hawaii? Is it worth it to have the extra service? IE, easier to get the car?

Thank you!