Hawaii on a Budget

Hawaii on a budget for 5 people:
Save $100 per month for 5 years. ✔
Get airplane tickets early.  ✔
Get a condo on the beach. ✔
Borrow stuff like fins.✔
Pack light. ✔
Bring dry packaged food. ✔
Buy fresh food at the grocery store. ✔
Buy tickets to sites ahead of time if possible. ✔
Car or local transit. ✔
Enjoy the simplicity of Hawaii. ✔
Keep expectations to a minimum. ✔