When interest rates are higher, it's tougher to turn a profit. Many swear by this method for financial freedom, but you are basically creating a credit Tsunami that you are trying to outrun. You need to know how to build up equity and get amazing appraisals in order to finance enough to pull cash out as downpayment. It's a delicate game of credit and valuation adn the entire model is built upon property never going down in value. Don't rush into it without a lot of homework!