The classical economics define land as being all the free gift of nature which yield an income

real estate investment is simply the purchase of a future income stream from property.
Real estate is a distinct asset class that is simple to understand and can enhance the risk and return profile of an investor’s portfolio.

On its own, real estate offers competitive risk-adjusted returns, with less principal-agent conflict and attractive income streams. Though liquidity can be a concern for some investors, there are ways to gain exposure to real estate, such that liquidity is reduced, if not brought on-par with that of traditional asset classes.
Investing in real estate can be you buying a property and leasing it out, with rent review being done every two years which in return gives you increase in rent as the property owner, land and landed property does not depreciate which makes real estate an ideal investment.