Property value rises in time. In contrast to money in a bank account, where it becomes subject to inflation and it loses value. The property produces a regular rental income.
Perfect ratio of return on investment and investment risks. Slumps in the property market are much less common than in stock or commodity markets. Even in the biggest crises people must live somewhere, while they get rid of commodities. You can invest in commodities, of course, and maybe get higher yield, however, the risk is also significantly higher and you might lose all capital. According to the yield/security ratio property investment is the best investment.
Property value rises in time. Double money appreciation: rising property value and yield from rent.