My concern has been how to execute from little or no money to begin fixing/flipping a house and how to re-use the profit towards repeating the process or engage with a different real estate venture.I am looking forward in learning more from you all.

If your cousin's wife is still very skilled, maybe you have a place higher in the business hierarchy where you can engage her (marketing, client relations, financial management). 

The plan is subject to UDFI on other leveraged investments not secured by real property such as margin trading in stocks.A Solo 401k is subject to Unrelated Business Income Tax (UBIT) when engaging in a trade or business activity on a regular or repeated basis - as opposed to receiving passive income.  

Jumping with both feet, looking to learn, grow and engage with amazing individuals!

Stay engaged!

Unless they're wrecking the property or engaging in criminal activity, a long-term tenant can be a blessing.

When a tax exempt entity like a retirement plan engages in a trade or business on a regular or repeated basis, then UBIT applies.  

Excited to engage on BP for education, advice and connections.

Stay engaged on here as well and you'll always be learning and sharpening your focus.

Lev, thank you for the engaging response.