If you have an unrelated partner that you want to make this first purchase with, then MAYBE, you should consider an LLC, or have a lawyer draw up a simple contract defining your business partnership between the two of you.

It would be interesting to know:- How do you define roles and responsibilities?

Generally speaking there are 2 main types of loans for investors: “Conventional” and “Portfolio”Conventional - I'll define these as loans that come from Fannie Mae and Freddie Mac.

Just paying rent on time is the minimum expectation and does not define someone as a good tenant.  

Could you live in an FHA property for 6 months and 1 day and still have it count as your primary residence? As in, spend 6 months and 1 day sleeping at the property, and the other time of the year not sleeping there, ...

You'll first want to define what market you want to invest in, if you have a preference. 

Houses with 6 or more bedrooms became defined as "Commercial Rooming Structures".

Meaning that with all of the work flexibility, either 100% remote or in the office only a day or two a week that people are "moving home" which he defines as the small towns they grew up in that has a ton of character, a little main street, but this isn't where the jobs were coming out of college and thus weren't really an option.    

I suggest you define your criteria and make an offer on every property that meets these criteria.

You need to define what makes a good deal for you.