Layer on better quality tenants and there are a lot of missed opportunities focusing on metrics that present favorably on a spreadsheet in the lower tier markets. 

I searched online but couldn't find any answers.What does the process look like and how long does it typically take?

We also try to note everything wrong that is readily visible and then categorize each issue as:1) Health & Safety2) Property Preservation3) Marketing Negative Impact4) MiscellaneousThis can help owners make better decisions on which repairs to prioritize, especially if they have a limited budget.

San Antonio is a great market for buy and hold.

Or are there specific caveats and things I should know about the Columbus market? 

Unless your market has special rules, the eviction process is the same.

For our clients, we separate repairs into catergories: 1) Health & Saftey - highest priority to avoid lawsuits2) Property Preservation - don't want a $500 water leak repair to become a $5k repair later3) Government Required - for city & S8 inspections4) Marketing Negative Impact - who wants to rent a "purple" house?

I concur with @John Underwood's logic and agree with @Kevin Lefeuvre that Airbnb's solution works better (at least in my market).

Bump them up close to market rate, but consider keeping it 5-10% below market as an incentive for them staying. 

Is this a market better suited for single family LTR or mulitfamily?