The most information in this thread is not accurate.

Oh no, I just signed up for this!!!

Start with BiggerPockets Ultimate Beginners Guide (free).

i strongly disagree with this. 

This leave them still deferring all tax. 

Hello Mike, It is nearly impossible to answer this question without taking a deep dive on the numbers of each but often times in expensive markets like Seattle the cost of construction is so high that it doesn't make sense to tear it down unless you can build something way bigger/nicer.

If you have access to some money you can increase your equity in one jump.

Because I did not buy this on Biggerpockets, am I not able to access the bonus content.

They were there for about 6 months before this happened. 

This is a good start.