Act as a seasoned travel planner with over 10 years of experience in finding affordable dining options worldwide. Provide a detailed guide on the best ways to locate budget-friendly restaurants, street food, and hidden gems in [CITY/REGION]. Include tips such as using apps like [APP NAME], visiting local markets, and dining during [SPECIFIC TIME] for discounts. Also, highlight cultural nuances or etiquette to observe while eating cheaply in [COUNTRY]. Your response should be practical, actionable, and tailored for [TYPE OF TRAVELER], such as backpackers, families, or solo adventurers.