Real estate stands as a cornerstone of wealth generation, and as 19th-century British philosopher and economist John Stuart Mill once, said, "Landlords grow rich in their sleep." Landlords don't merely collect rental income; they also reap the rewards of property value appreciation. While it's nice to collect monthly rental income from an investment property, being a landlord does come with hassles. Don’t miss: Investing in real estate just got a whole lot simpler. This Jeff Bezos-backed startup will allow you to become a landlord in just 10 minutes and you only need $100.