BRRRR was incredibly productive over the last 10 years, but it's a full time job just looking for eligible off-market deals. 

If your contacting me the poster and getting some details it turns out that the tenant has been living there for several years and loves the property but because he is currently starting a new business he's not eligible for a mortgage.

You need a better understanding of the overall process and contract obligation etc here...there are a few fundamental issues in your understanding of what it is you're doing.

First Step - Have your tax return prepared to see how much you are eligible to put away into a SEP IRA.Second Step - Create SEP IRA Account with custodianThird Step - Contribute

California allows eligible bidders to bid post auction so I decided to do research on the property.

If he doesn't, I would personally dissolve the partnership.With that said - If you are a non managing member / limited partner, you may potentially be eligible to escape the $800

First, you must be eligible to set up a Solo 401k.

This fundamental difference in duration can impact various aspects of the rental property such as pricing and target audience.2.

The underlying fundamentals are favorable as compared to the other investments you mentioned (and all real estate for that matter).  

@Jessey Kwong I've done webinars and given presentations on this very topic so I could go on and on, but to simplify it in a nutshell, you want a market that has a combination of good cash flow and strong economic/demographic fundamentals.