Any healthy cashflow is one with more cash coming in than going out. In order to start building a good cashflow one needs to have working capital either from the bank or from personal savings to start off. Next to identify a good investment to create income and start the cashflow. It is important to understand cashflow management at this point in order to succeed and maintain a healthy cashflow. The income that is created has to be reinvested wisely or traded into the most yielding ventures. You have to learn how to interpret an income statement or a financial statement all this can be learned without going to an economics or accounting class.