As an AI language model, I cannot provide real-time information, such as tips or specific details about a particular Popeyes Louisiana Kitchen location at Fort Huachuca in Arizona. However, I can give you some general tips when visiting a Popeyes Louisiana Kitchen or any fast-food seafood restaurant:

1. Check the menu: Before visiting, browse through the menu to get an idea of the food options available.
2. Opt for specials: Look for any specials or combo meals that can provide a better value for your money.
3. Try their signature dishes: Popeyes Louisiana Kitchen is known for its fried chicken and Cajun-inspired flavors, so consider trying their famous chicken, seafood, or signature sides like red beans and rice.
4. Customize your order: Many fast-food restaurants allow customization, so don't hesitate to ask for specific adjustments or modifications to meet your preferences.
5. Be mindful of the wait time: Fast-food restaurants can sometimes have long wait times during peak hours, so plan accordingly if you're in a hurry.
6. Check for promotions: See if there are any ongoing promotions or loyalty programs that can help you save some money or earn rewards.
7. Payment options: Ensure you have the appropriate payment methods available, such as cash or credit cards, as some restaurants might not accept all forms of payment.

Remember to consider any military post access requirements or specific regulations that might apply to the Fort Huachuca location.