It’s no secret that vacationing in Hawaii can be expensive. It’s a remote set of islands, after all, and it’s not cheap to transport goods all the way to the middle of the pacific. My wife and I found out just how expensive it can be when arrived in Oahu, one of the most popular islands for tourism in Hawaii. We had done our research on how to keep costs low, but there were definitely some things that caught us by surprise. If you’re looking to visit Oahu for your next trip, here are 10 tips that will help keep you under-budget.