If so, you'll get better terms, although not ALL lenders require US scores.

Salem, for example, often offers better cash flow opportunities compared to Portland.

Is it better to create a new EIN or is it better to create a TIN or just use my personal SSN?

More institutional lenders are getting involved in the hard money space and much easier and better to work with as there is structure to the process 

They don't say it's the animal they make an excuse like "better candidate" when you were about to sign until they find out you have a animal.

.- Another thought to give why would you want to do a rental at all, I mean those terms are horrible. why not buy something else with a better return on invest?

But you will sleep better.

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.