Tax shelters are important for real estate investors because they help minimize taxable income and maximize overall returns. Real estate offers several built-in tax advantages, such as depreciation, mortgage interest deductions, and 1031 exchanges, which allow investors to defer capital gains taxes when selling and reinvesting in similar properties. These mechanisms act as tax shelters by reducing the amount of income subject to taxation, preserving more capital for reinvestment and growth. By strategically utilizing these benefits, investors can significantly enhance the profitability and sustainability of their real estate portfolios.