“[T]he stream of continuing payments that are earned by Brad and/or Karen from the commissions (current and future) earned by the brokers within a book of business. Residual income arises from all sources of income relating to or derived from an identified book of business, including commissions earned by the brokers within that identified book of business from any source whatsoever.”

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Flynn, who blogs at Smart Passive Income and discusses his secrets at the Smart Passive Income podcast, defines passive income as “building online businesses that take advantage of systems of automations that allow transactions, cash flow and growth without requiring a real-time presence. We don’t have to trade our time for money one to one. Instead, we invest our time upfront, creating valuable products and experiences for people, and we reap the benefits of that time invested later,” he says, adding, “It’s not easy. I just want to make sure that’s clear.”
Residual income is the amount of net income generated in excess of the minimum rate of return. Residual income concepts have been used in a number of contexts, including as a measurement of internal corporate performance whereby a company's management team evaluates the return generated relative to the company's minimum required return. Alternatively, in personal finance, residual income is the level of income that an individual has after the deduction of all personal debts and expenses have been paid.