Check out some of his blogs, videos and books.

Couple blogs on MF and vetting sponsors.  

I have listed some helpful recommendations for you:Meet BiggerPockets member in your area:http://www.biggerpockets.com/meetSet up keyword alerts to be notified of the topics that interest you:http://www.biggerpockets.com/alertsRead Beginner’s Guide:http://www.biggerpockets.com/real-estate-investingCheck out BP Podcasts:http://www.biggerpockets.com/renewsblog/category/podcast/Find upcoming real estate events: https://www.biggerpockets.com/forums/521-events-and-happeningsForum and Blog rules: https://www.biggerpockets.com/rulesWelcome aboard!!!

Thank you for participating in our forums, reading our blog posts and listening to our podcast!

I have been reading the blogs and watching some of the webinar. 

Read this article to understand the qualification criteria for a Solo 401k:https://www.biggerpockets.com/blogs/2810/45144-the...2) Can't comment much on your second point since the information you provided is vague and without the original source you might not be presenting it accurately...

Check out the Blogs, Podcasts and forums.

I recommend you check out the Blogs, Posts, and even those who you enjoy's signature.

My blog talks about self management long distance, primary to rentals investment, and managing class A properties.

Make sure to listen to all the BP podcasts, read the articles on the main blog and be active in these forums to learn a ton very quickly about any topic in real estate you want to know more about.This is also a great place to meet people that can be assets to your business.