Historically I probably look at 50 units for every 1 that I buy, you’ll learn why
Location and what exactly this means for units and apartments
Why the size of the block matters
Why the material the building is made of internally and externally matters 
Why you want the absolute worst presented property possible when buying
Layout, size, aspect and most importantly, the potential
Uniqueness is the key when selecting
Price, how much you need to pay, how to do a feasibility 
How to analyse body corporate statements
Why units can be the sweetest deals of all, lower risk and high returns