For those of you that do an online application or furthermore just a simple "form" that is completed online, how do you go about acquiring and subsequently providing proof of obtaining such authorization without a signature?

Private would be money lent through anny company or individual outside of a loan from a bank...

You normally want to mark that the partnership is filing a final year return.If one partner is being brought out, that individual will have to report a sale on his/her individual return.

An individual could name both the LLC and you in a lawsuit. 

Already a co-owner of  single family home with shared common space and bedrooms rented to individuals.  

They have utilized a number of financing approaches including: Minnesota Housing Finance Agency Tax Credits, Conventional, Grants through Duluth Economic Development Authority (DEDA), Duluth Housing & Redevelopment Authority (HRA) Assistance.Sharon Brown with Duluth's Life Safety office is a great resource as well when dealing with blighted properties.

@Kenneth P Ford they are a national franchise with great marketing.They also have some national support for their individual franchises, but it all depends on the local team.Recommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

It’s up to individuals though, to get serious and learn things properly.

It's up to the individual accredited investor to perform research and make an informed decision.   

As a result, I wouldn’t need to show material participation for each property individually, and I could potentially use the losses from these deals to offset other income.Even though I qualify as a real estate professional, it’s important to remember that active participation is still required to use those losses against W-2 income.