The initial thought was to begin cashing out but we'd be faced with the tax implications - wondering if anyone has any experience with a line of credit type product backed with a portfolio as collateral.

While beginning, a good insurance should suffice if legal protection is utmost importance and as you acquire more property and as you move to conventional and commercial loan product where they loan to the LLC, LLC might be more beneficial. 

Any products offer efficient turnover?  

You begin to depreciate your property when you place it in service for use in your trade or business or for the production of income.

Great product. 

I imagine there has to be a lot of you in the mortgage industry who would love just to try this product out.

You have to think business I offer a product which in this case a place to live and a person to pay the rent. 

I have been doing my due diligence and have gain a large amount of knowledge in REI but still lack real life experience.But what I do have is a lot of knowledge and experience is design and marketing:Build professional websites that run fast, convert, and work on mobileLead generation funnels to help built email listsPremium graphic design like infographics, logos, ebooks, social media banners, etcSEO to rank higher in search enginesFacebook Advertising Product design and developmentSocial Media Management and moreSure you can go the route of using free website builders like Wixs and Sqaurespace, but your sites won't be very professional compared to industry standards.

I have a product that I provide which is a need for good, decent and affordable housing. 

He originally built the systems to streamline the Memphis Invest processes and after proof of concept developed them into a salable product.