While finding a local CPA is important, consider the option of working with remote professionals who specialize in real estate and small business taxes.

By a professional estimate I mean having a contractor bid the work, not just me estimating the jobs. 

Johnson City could be a great spot for STRs, especially if you focus on hospital staff rotations, visiting professors, or traveling professionals, which would balance out any seasonal dips in tourism.For STRs, consider targeting weekend travelers exploring the Appalachian Trail, Boone Lake, or local festivals.

Build up your portfolio with a professional landlord and then as your portfolio grows transfer the assets over to a larger PM firm for ongoing accounting and management. 

My ultimate goal is to save up enough money to invest in a fix and flip property(which my family has been doing for a while) and live in it, until I rent it out and use the equity for another home.For any real estate agents or professionals in general, how do you find consistant deals?

Readers should seek professional advice.

You need a skillset that you can manage tenant's expectations and enforce the lease with a professional but firm manner.

If you're certain the type of renter you're going to get are traveling medical professionals, you know they're on short term contracts (typically 13 weeks).

Something to dive deeper with a financial/loan professional.

HI,I was curious to hear from other professionals, when you have a tenant for a couple of years, and then he wants to add a new person to the lease, what steps would you take?