Almost all of us who are in our working years are working in a full-time job or generating income from other sources be it from a business or investment.   One of the key to financial freedom is to allocate as much as possible your monthly income from an 'active' source whereby work is required to generate the income to a 'passive' source whereby income streams in regardless of whether work has been put in or not. I remember reading a book many years ago at Starbucks in Central Mall. I can't remember the title of the book but what I do remember is that it stated that there effectively are just 3 main passive sources one can derive their income from.   The first is via a business or royalties, the second is through property via rental income and the third is from dividends/coupon payments from investments. I decided some ......