There are ways to travel to paradise even on a budget. Pick up free publications at the airport and at racks all over the island; many of them are filled with money-saving coupons. Access to beaches and most hiking trails on the island is free to the public. Grocery stores and Walmart generally stock postcards and souvenirs; they can be less expensive here than at hotel gift shops. For inexpensive fresh fruit and produce, check out farmers’ markets and farm stands along the road.
Choose high-end restaurants for lunch rather than dinner (check hours). Lunch is often less expensive. Early evening happy hour deals are a great way to save money while sampling the chef's specialties. If you're staying in a condo, eat in or pack a picnic when you can.