How she conducted herself under the contract matters. 

If the county treasurer's estimate exceeds the amount of taxes, assessments, interest, and penalties actually payable when the deed is transferred to the purchaser, the officer who conducted the sale shall refund to the purchaser the difference between the estimate and the amount actually payable.

For example, the owner has a duplex listed for 325k and the buyer and seller negotiates a deal at 285k contingent on appraisal; however the buyer did its due deligience and conducted a CMA that states the multifamily property should sell for 165k, have you simply signed a deal with the anticipation that the Seller may agree to the appraised value once the bank appraises its?

I don't need to report until 10AM each morning, so I can conduct phone business in the AM hours while my competitors are already busy punching their W2 clock. 3.

Could this pandemic change the way colleges and universities conduct higher education?

Ethical conduct or dealings is not what you believe is moral or fair so much as what is acceptable in line with laws and customs, accepted practice.

This is why legal counsel in the state where you own the property or are conducting business is best for opinions on a situation where answers are not clearly defined.Managing 350 properties as one poster mentioned to gross 60k for themselves to me is a bad use of time for ROI.

I'd like to acquire lists for probate and non-owner occupied properties and then conduct my first mailing campaign.  

The county treasurer/tax collector conducts tax sales.

You could also use PropStream or ListSource to pull a list of free and clear properties, conduct a skiptrace to get the owner's contact info, and directly reach out to them.