When I visit somewhere new, I always ask for recommendations from friends and family on where to eat, hang out, and what attractions are worth my time, but I don’t always know which of my friends to ask.
If you use third-party travel sites like Expedia or Priceline to scout for low airfare, you might not want to jump at the lowest price you see. United’s zero-frills “Basic Economy” tickets are sometimes harder to spot than normal tickets.
If you’re traveling on Amtrak and have got a lot of luggage, make use of their free bag service for an easier trip. You’ll be able to board early and won’t have to worry about hauling heavy bags to the storage area.
Road Map of Oahu, Hawaii. On first trip maybe take a guided tour, but on a second trip to Oahu I highly recommend renting a car and going around the whole island. Don't forget to stop for some famous shaved ice.