Exploring Singapore on a budget is highly feasible thanks to one of the world's most efficient and affordable public transport systems. The key is to skip taxis and ride-shares and instead use the MRT (Mass Rapid Transit) and buses. You can pay for these seamlessly by tapping your own contactless credit/debit card or mobile wallet, but for heavy travel, the Singapore Tourist Pass offers unlimited rides for 1, 2, or 3 days at a flat rate. Walking is also an excellent (and free) option, as the city center is exceptionally pedestrian-friendly with many covered walkways and lush park connectors. To save further, take advantage of free attractions like the outdoor gardens at Gardens by the Bay, the nightly light and water show at Marina Bay Sands, or hiking the Southern Ridges. For food, bypass expensive restaurants and head to Hawker Centres like Maxwell or Old Airport Road, where you can find Michelin-recognized meals for under 6 SGD. Additionally, Singapore's tap water is perfectly safe to drink, so carrying a reusable bottle can save you a significant amount over the course of your trip. By utilizing the "tap-and-go" transit system and eating like a local, you can experience the high-tech Lion City for a fraction of the typical luxury tourist cost.