These are professionals with additional training and a stricter code of ethics.

https://www.narpm.org/find/property-managersThese are more professional and educated PM's with higher standards of Ethics

the lady I talked to said it counts against you when you do something like going from an IT professional to say something like auto mechanic because you're changing fields.

., professionals who are in the area for a year for work and want a large space to rent for that period.

Went to college for architecture and have worked in my professional life as a building inspector, insurance underwriter, and actuary, and I lived in a 2-fam and had two more 2-fams in my hometown of Buffalo, NY, and sold those when I got a job offer and moved to New Orleans, LA. 

Readers are advised to seek professional advice.

Or does $100 per door cash flow theoretically let you sleep at night?

They focus on deals in the gentrifying areas of town, and target higher end tenant base they have built through professional networks. 

Now I’m not worried because o have automated online systems for rent collection, contractors and licensed repair professionals on speed dial, and I have some boots on the ground in the form of family who can lend their knowledge and keep an eye out for me.My first thought to this question is : if I’m worried that it may be too far ,then for me it may be too far.I could never do a flip that far away, IMO.

Other things you can use to demonstrate your intent would be your normal practice, rental agreements or rental listings, written correspondence with your professionals etc.You've got a pretty healthy gain to shelter for sure.