If the lease is already executed, then he can run whatever radon test he wants and you can argue with him about whether it's a valid test and perhaps depending on your local laws make him prove there is a problem with a better test.

As it is we both have a strong desire to buy a SFH for ourselves but currently house hacking is a better solution because that other rent is paying our taxes and water and sewer bills and for some mid range priced renovations to the property.

I guarantee you can find a younger, more upstart builder in your market who would be over the moon to have a PARTNER in things to pump up volume in a rapid sense, and would cut a far better deal.

Then, you'll have a better educated estimate of what model/template you prefer.

Hi there, I need advice and I thought what better of a place to ask than a place dedicated to the type of people I (think) I should be trying to find (to buy our property).

The property was also in far better shape than the neighbor or the daughter believed it to be once we cleared out all the junk. 

Multifamily Millionaire Book Bundle – BiggerPockets Bookstore I think by reading those you'll get a better sense of where you want to focus on multifamily and from there you can continue your focus on what type of analytics/underwriting makes sense.

Due to the economic development trends and business friendly policies within NC we here in Raleigh are set up for better probability of success than most markets in the country. 

As for better profit splits and preferred returns, we are just now reaching the size to be able to hit the higher tiers.

You will get almost always get better terms using conventional financing.