In your offer, you should request the ability to perform an inspection (you should hire an inspector, but also walk through the place and inspect it yourself), request copies of all contracts pertaining to the property (leases, service contracts like pest control, etc.), and request estoppels signed by the tenants. 

If you're comfortable meeting in person, I would follow up with an email outlining what was said in person to the tenant with the resolution of the conversation also in the email.

Last year we were able to connect an investor of a coastal six plex with our personal credit union and due to strength of borrower and property, they provided a non-member with a 25% down mortgage with a 25 year amortization on a property the seller was requiring 'cash only' due to the presumed challenges of multi family financing. 

Here is the current list of cities:http://ritaohio.com/MunicipalitiesI am rather sure that the list has only been expanding over time.As a person/entity who earns rental income in any of these jurisdictions, you are required to file a return not only for the state, but also for RITA.

I'm up to 10 doors (including personal residence) and have six more under contract.

As that will at least help folks that you reach out to know that you are a real person, with a picture and professional bio.

Personally, it's not for me. 

As others have mentioned, there is a personal aspect to doing it this way since it involves yourself, spouse, and possibly a family. 

Our personal  house had previous work done but the piers were poorly done, and we noticed dry wall cracks and tile floor "separation"  about 2 years back.   

If the IRA fails to pay property taxes or insurance bills - you are then personally responsible, which would be a violation of the IRS rules.