San Antonio, while not wealthy, has relatively stable employment rates with the major military bases, USAA  headquarters, and the Medical Center.

how much is reasonable for "Medical Payments to Others - each person" under general liability?

The University of Scranton, Marywood University, Commonwealth Medical College - these are all pretty high demand areas for rentals.I'm going to look at a property later today, and hope to make an offer, I'll post details later - going to be a pretty big project.Be careful with property taxes in Scranton.

A potential plaintiff may be treating during this period of time and the accumulation of medical documentation over the period of time will strengthen their case as opposed to filing suit very soon after the incident occurred.  

Keep in mind that under housing regulations there is no requirement for the owner to pay the cost you are only obligated to allow necessary medical requests.If it is not required by law then you may say no and if agreeing should never compromise your standards out of concern for the tenants.

I met two potential tenants from Canada today, one pursuing a medical research position while his wife completes her rotations at area hospitals. 

If your itemized expenses were greater than 24k, you would use this expenses to offset your income, but generally you might not have 24k of itemized expenses with State and local taxes being capped at 10k, and I dont expect you to  have medical expenses as you are this young. 

His low credit was due to medical bills for large surgery fo this wife, everything else was ok, they had car payments and credit cards which they paid on each month, but were not high payments.

I am in permanent awe at how effective the US medical profession is at weeding out unreliable, dodgy, and dishonest people.

Actually . . .Beginning on Jan. 1, 2014, the standard mileage rates for the use of an automobile are: 56 cents per mile for business miles driven (down from 56.5 cents, which was in effect for 2013) 23.5 cents per mile driven for medical or moving purposes (down from 24 cents, which was in effect for 2013) 14 cents per mile driven in service of charitable organizations (no change from prior years)