I have read this message here before, but it bears repeating. Keep checking your rental car prices with Discount Hawaii Rental Cars and Costco (my two sources--yours may be different) because the prices change. I had reservations with DHRC for a compact car for Memorial Day week (Sat. to Sat.) for $283 which was a lot cheaper than the first ones I had made. I just rebooked with Costco for an intermediate car for $130. That is a huge savings AND a more comfortable car for all the driving one does on the BI. We can hardly contain our excitement for our trip and now to have $153 more dollars to spend is a real bonus. Here's hoping your reservation goes down as well!
Sally in Seattle