Cambodia is the only exception of but maybe the Philippines is too given that it was a Spanish and US colony before.Sadly, there's no comprehensive resource I could point you to.

They have some pretty comprehensive services available through their company which is also nice.

Nearly all The leads that come in want a comprehensive size rental for less that market rate unfurnished is going for in my area.  

I'm interested in developing a comprehensive plan which could involve my business' legal entity structure, use of debt vs equity, types of agreement (profit sharing, operating agreement) and possibly using the IRS designation of a real estate professional.   

The vast majority of my transactional experience is in commercial real estate, and owning property in entities is standard practice in CRE but it should also be noted the properties are encumbered by commercial loans which are designed to accommodate entity ownership.The research I've done by speaking with lenders and reading first hand accounts of using entities in residential real estate tells me there appears to be a barrier if the loans are not portfolio loans and even then I'm told lenders who use an underwriting framework that mimics Freddie/Fannie will not allow ownership in an entity.Someone else posted about using a trust vehicle to limit your liability, and I too think this might partially serve your purpose.

We told her the property and the current tenants in the apartment building (it’s a 5 unit building) can’t accommodate her dog, but she is adamant on moving in per the signed lease (which mentions nothing about her ESA). 

@Wilson Cheung I'll second @Jeff Wallenius' recommendation for turnkey-reviews (sorry Jeff, every post I visit I'm just your chorus line ;)  While the site is not comprehensive, it's run by some very knowledgable people and provides great, unbiased info.It sounds like the issue you're having is not just that you don't know what provider to go with, but which market to invest in, which can be pretty overwhelming. 

In this blog, I aim to illuminate how, in my role as your property manager, I can offer a resolution to your non-paying holdover tenant concerns by providing valuable insights and a clear path to resolution.Proactive Lease Management:Our detail-oriented lease agreements are meticulously crafted to clearly define all terms and conditions, providing both landlords and tenants with a comprehensive understanding of their rights and responsibilities.

Ensure contracts are comprehensive, covering all aspects of the project, including payment terms and warranties.

Again, they seemed like nice folks and had good tech and strong market share, but they couldn't accommodate me holding my license in Mass with C21 and in Maine with them - even though their two Mass offices were 60 and 80 miles away from me and despite the fact that I was moving in a matter of weeks.I skipped over C21 because they appear to have almost no market share in the part of Maine where we're moving.