The formula for successful investing! ADD A GRANNY FLAT!

Particularly as interest rates are so low, A lot of people are wondering is now the right time to get an investment? And if so where should I invest?
1.    Focus on yield /  cash flow - the better the % return, the easier it is to hold.
2.    Upside potential -  can you add a granny flat? As a rough rule a $170k approved granny flat can return approx $490pw - that’s a 15% return on investment!
3.    Position - the quintessential rule. Great location will make all the difference in resale speed and demand.