It's more like an assertion you need to make in order to receive an FHA loan. 

The strategy entails getting a feel for the market ahead of time.

In this article, I'll explain what tokenizing a house using blockchain technology entails, and how it can be beneficial to homeowners.Tokenization is the practice of converting rights to an asset into a digital token on a blockchain.

I am not super privvy to what all that entails, but I got the building in a hurry due to a hot growing market with a ton of appreciation on the way.

You probably can, but that would entail encumbering one asset for the purchase of another one. 

My plans entail turning the den/office space into a BR then re-working the floor plan upstairs to create a beautiful master en suite. 

Until you are officially licensed, see if you can at the very least shadow/work for a real estate agent to get a better grasp on the market and what the industry entails.

I have never done a 1031 but it obviously entails more work than just selling the house, paying taxes on it and buying another house to flip.

Does anyone know what this entails and how best to approach this???

I was formerly a producing Financial Advisor--which also can entail a range of services, skills.