I would try to tie those experiences and skill sets to your REI path.  

Looking forward to reviewing these options.Here's the PA law: https://clsphila.org/housing/security-deposits-in-pa/Any bank account will work.

I was in a similar situation for my second house hack.

I have a property on the barrier island that I do not want to list on MLS but I am interested in connecting with realtors or investors who typically sell or buy pocket listings and may be interested in this property. ...

HI, I own a part share of a nice recently renovated house in North London, with other members of my family owning the rest, left to me in my fathers estate, with probate granted in 1999, as a tenant in common.

Here in the USA you have to be licensed to build a structure that will house someone else.

Good on your friend for suggesting house hacking a duplex.

Seven of those units are through Section 8 (Greene Metropolitan Housing). 

To estimate expenses, consider setting aside a percentage for management fees, plus costs for cleaning and utilities.

I bought a single family because I thought I could house hack in the same way as a duplex and in ways it certainly could have and did work but I didn't expect the relational aspects of having people living in a property I purchased.