Anyone know anything about the pre-construction market in Toronto?

Hey guys,

I moved to Toronto relatively recently and am interested in investing in Toronto's pre-construction condo markets.

I read some articles like this one
http://condobees.com/real-estate-101-make-sure-youre-investi
ng-best-property/

And the more I read into the real estate markets the more nervous I get. Is anyone knowledgeable in this field able to clue me in?

Thanks!