This chapter analyzes the economic contributions of tourism and its role in sustainable development. It highlights employment generation, income creation, and linkages with local economies. The concept of pro-poor tourism is examined as a strategy for reducing poverty. The chapter discusses sustainable business models that integrate profitability with environmental and social responsibility. Issues of revenue leakage and equitable distribution of benefits are addressed. Case studies demonstrate successful examples of sustainable tourism enterprises. The chapter emphasizes that economic sustainability requires inclusive growth and long-term value creation.