Here are some tips for visiting Subway at Mini Mart Bldg 75, Honolulu, Hawaii:

1. **Customization:** Take advantage of Subway’s customization options. Choose your bread, protein, veggies, sauces, and seasonings to create a sandwich that suits your taste.

2. **Fresh Ingredients:** Look for daily specials or seasonal ingredients for fresh options. Subway often features vegetables that are in season.

3. **Nutrition:** Check the nutrition guide available at the store or online to make informed choices, especially if you're aiming for healthier options.

4. **Combo Deals:** Consider combo meals that include chips and a drink for a better value.

5. **Mobile Ordering:** Use the Subway app for mobile ordering to save time, especially during busy lunch hours.

6. **Try the Wraps or Salads:** If you’re looking for alternatives, try their wraps or salads for a lighter meal.

Remember to ask about any new menu items or promotions available during your visit!