However, the downside is the double taxation on the C corp, once at corporate level and again as dividend at shareholder level.  

The corporation would be taxed on the profits it makes from flipping and you, as a shareholder, would be taxed when you take a distribution from the corp.

How about paying tenants dividend or 10% captain gain as if they are the shareholder of your rental property? 

The estimated value once completed for the duplexes will be in the 450k range with the provided land from the LLC.The LLC has no credit and all shareholders in the LLC are self-employed.

@Larry H.If you make your beau-père a shareholder in the company which owns the property (could be a single, non-voting class, share) and/or make him an officer of the company (Director of Building Maintenance), would Louisiana still require he be licensed to manage the properties? 

Even if you invest in stocks (usually considered a very passive place to invest), you have to re-balance your portfolio, monitor large trends, check news stories, look at financial statements, listen to shareholder meetings, etc. etc.In this case, if your properties are under an even reasonable property management company, you will be in a situation where your income is more or less "passive".  

I restructured and rebuilt and am now training a few key staff members into shareholding positions.I was 19 when I opened my business and made every single mistake you can possibly make (I EMPHASIZE THIS!

All profits are taxed on the Shareholders' personal returns, whether they are withdrawn or not.  

Every state where we do business has laws on the books that provide for "winding up" authority... that is the sole surviving member(s) of an LLC or director(s) or shareholder(s) of a corporation are vested with authority as trustees of the entity's assets to sell them as part of the dissolution process. 

CF platforms are easy to get the first 100 shareholders needed to qualify as a REIT.