He then counter sued me stating mold in the house, according to his doctor, gave his kid asthma.

Those turn key owners if they do not have adequate reserves will lose the properties with defaults and get mopped up on the next down cycle by heavy cash reserve investors buying at a discount.Focus less on the price to purchase and more on the quality of the location and property long term especially if you already have cash today but limited time to deal with headaches.Example a doctor buying a C or D area turnkey just because it is cheap for 100 a month cash flow when they make 300k or more a year and be inundated with problems and requests from lower income tenants just does not make sense to do.

I had one tenant complain and I just said have their doctor document to me that they are treating you for bedbugs.  

So yes, technically one person can definitely act in both capacities.However, whether or not that is a good idea is another idea entirely - I don't need or want my attorney to also be my doctor, I'd rather have two absolute experts in two different industries working for me.

No money down deals are very plentiful if you have great charisma, and can network with your Doctor coworkers to pool cash. 

To me, Private Lenders are Doctors, Dentists, Pensions funds and other business people who have excess capital and they want to invest in ongoing projects of some sort.

Rubbing elbows with doctors all day is a great place for an agent to be.

Traveling nurses, doctors have rented 2-3 months at a time.

However, I've heard from some that Doctors here temporarily may be looking for a nicer home for a period of around 4 years at a time or so.

Please, see a doctor, talk to someone, it will help with the obvious stress you are going through.