I really can say that everything needs to be perfectly handled without any room for error.However, you do not need to go and study all aspects of Dodd/Frank, Safe Act, Senate Bill 43, the Property Code, the Finance Code, insurance law and all case law regarding wraps. 

What I share comes from my experiences in court room and mind numbing hours of study and research in a law library on contract law and interstate compact. 

We plan on buying in Columbia sc and im thinking of buying property near the hospitals and college and renting to collage studies and short turn nurse rental. 

Note it often is not a result of significant NOI change (excluding some markets where a lot of new units have been added). 3 recent studies show it is cheaper to rent than own in virtually all of the largest US markets.  

She took about two months studying outreach particular niche and instituted a program in steps where the results could be verified before implementing the next step.  

Recognize initial cash flow is likely at an all time worse.  3 recent studies show that the rent to value ratios are at an all time worst.  

Computers can analyze property based on subjective data (square footage, # of beds/baths, etc.) but cannot calculate for objective data (quality of kitchen cabinets/counters, size of bedrooms and bathrooms, view out the living room window, etc.).You should study the market yourself.

Here's an article with additional FAQs on cost segregation studies that you may find helpful and should answer some of your questions above. 

A cost segregation study will help maximize these properties depreciation expenses in the early years.

You could sell the property at the beginning of the year and buy a property/place that property in service (and do a cost segregation study in the same year).