There are some major reasons describes that investing in real estate is one of the best way to accumulate wealth.
1- The best strategy to make money in this field would be to invest in upcoming cities.
2- Rental properties normally appreciate in value with inflation.Increased value can mean sale and reinvestment in higher value properties, or provide an equity line of credit to use for other investments.
3- In real estate if you make a good deal then you can end up with 10-35% instant equity.
4- You reduce your mortgage and increase your equity with every mortgage payment made on underlying debt.