If you have access to some money you can increase your equity in one jump.

I am days/weeks away from trying it at my personal residence.  3500 sqft but only two people using it, so not sure how good of a test it will be. 

My problem is Form 3115 and the -4 election (I think) because I want/need to aggregate my properties but also "pay myself" for one of these for use in my Property Management LLC that leases from me and uses the home as a Recovery Residence(housing only/no services provided)Is there anyone that has experince or would be able to point me in the right direction toward someone who can wrpa up these two issues on my taxes?

You might want to consider using your equity in the land as your contribution to a partnership with someone that brings that sorely needed experience to the table.

Far too many parks just 'give' a resident in the park free space rent to keep an eye on things and do light maintenance with no 1099 reporting. 

1st, lets talk about equity in your homes.

Lenders dont allow seller carry back and NO cash equity.. 

When I return to the country after my Au Pair contract ends, I hope to live in the property as my primary residence and house-hack as well.I understand that investing remotely makes things more challenging, but I am also ready to be uncomfortable and challenge myself in this journey as I know it is 100% possible.

Most hard money lenders base their terms on the deal’s equity and your experience, so with a solid flip track record like yours, you should be able to find better leverage — especially if the deal has a strong ARV.What's the ARV on the property?

Even if you got the 130k valuation, between the HM loan and the refinance the lender just took the majority of the equity in form of lender fees, appraisal costs, and interest.