He buys small barns and converts them into 2-3 bed cabins.

Are the other properties you're buying in/around Macon? 

One of my goals is to develop a solid buy box to streamline our underwriting process and make it more systematic.

It sounds like you have a great background for investing as well as assisting other real estate investors in buying suitable real estate. 

All set to jump my start career as a investor to do fix/flip and buy apartment units  ,any suggestions how to move forward.

I also read forbearance negatively affects your ability to buy more property.  

And there are no counties that ban out of state investors buying investment properties.  

However, co-living allows you to acquire properties with as little as 0%-5% down, drastically reducing the amount of cash required.Instead of needing $100K+ to buy a rental, a co-living strategy lets you start with a fraction of the cost while achieving higher returns.3.

Look for motivated sellers off market and market via cold calling and or direct mail, geofencing, advertising and the like.A good wholesaler is as @Ericka Parrott mentioned, direct to seller, did good underwriting and can deliver an actual "Deal" whether buy and hold or flip. 

We ran out of time which caused us to buy a couple properties we probably shouldn't have at the bottom of our exchange list.The better ones were sold before we could buy them.