Sometimes a name search will also reveal things on people not usually available until the technology of today. 

Coming on Bigger Pockets describing a Sub2 difficulty will not likely get you anything, but some person attacks etc.I am not here to promote or denounce Sub2.

You're not investing in blockchain technologies buying Bitcoin.  

Although they are in real estate, their service areas include investment management, technology products, and VC investments.Do some research.

If you do not like bookkeeping/accounting/technology, hire a bookkeeper specializing in real estate investors.

I think I am a bit technologically challenged, so trying to see what are best options if any. 

But it seems there have been difficulties on the construction end. 

How do they get tenants in place, and how difficult is it really?

Not every state or city mandates that any landlord has to accept Section 8, because the landlord has to not only subject their property to Section 8 inspections, rules and regulations, they also often have to separately arrange for the tenant to pay the non-covered part of the rent and can face difficulty evicting just based on that.

The technology is getting better, cheaper and thinner.