Looking for info about Covington, KY and surrounding cities

As I was researching cities to invest in using the BRRRR method, Covington looked interesting. A quick Zillow search showed there was a lot of real estate for sale and I am wondering why that is the case. Are people getting out of town for a particular reason?

Side note, I would be interested in other cities in the area so any lead would be helpful!

Thanks in advance