However; investors also bear a responsibility to sufficiently investigate the contemplated investment, to assess whether the investment is appropriate for them, and to know or learn enough about personal finance to evaluate whether or not they are able to sustain a loss without undo strain.  

There are two aspects to being an investor in a Reg D 506c offering who’s unaccredited and did not provide sufficient proof of accreditation (one could possibly obtain needed docs and in this case the sponsor would be the victim  of fraud).

For some reason I think that this will lead to problem guests.I just don't see the need and I have never been asked.Frankly, good photos and maybe a plan layout should be sufficient.

If searching on your own is not sufficient, try making a connection with a new real estate team - there are bound to be real estate teams specializing in investor-focused purchases2.

It is of a finite quantity.

However, my take on this is they did not do sufficient due diligence on many fronts, including city government challenges, operating challenges, infrastructure challenges and marketing challenges. 

You can always open HELOC or line of credit from your primary house or non primary house, assuming you have sufficient equity and income to qualify.

Many folks feel that a one year hold is sufficient. 

FB Mktpl has yielded the most quantity of inquiries, but also the most unqualified and applicants that have no idea where the units are located.

On the negative side you will need to show how you will use the property to generate sufficient income.