I am new here, but I have been watching videos from the Bigger Pockets team on YouTube for a few months. 

Although I rarely watch any of the gurus promotionial materials these days, the 40k flip program caught my attention enough to watch the pitch, especially when I saw him mentioning N.E.

@Zehua Zhou,We're hosting a webinar on supercharging your Roth soon; watch for it!

If you have any questions after watching the video, please don't hesitate to reach out to me! 

I have been on the sideline...watching.

BP offers free online videos and educational courses for you to watch and learn from.

Yes exacly, a video that explain the risks and rewards of investing in pre-construction properties what to watch out for.

I would watch out for caveats with the strategy, and double check it of course, but I think this is just a "pull out excel" type of solution and compare the ways to go about it. 

I work with a large group and we help people start investing passively as an LP, I've found it's a great way to get started because you can watch and learn with much of the risk removed since the experienced sponsors are doing the heavy lifting.

I've been watching a lot of videos from https://www.strlawguys.com/ but this is going to cost a good chunk of change to setup a fairly complex protection structure.