It is important that the new property is treated, managed, reported and filed as a tenant-in-common investment. 

Can I use pressure treated 2x4 for base of the stud frame.

If your flipping business is set up as a corporation or an LLC treated as a corporation, transferring the property out of the corporation may be deemed a sale of the property at FMV. 

While it's not technically commercial, (at least not from a lending perspective since its <5 units), I get the sense it's being treated that way by the broker.

My tip is to treat it like a business from the start.

After removal of the drywall and floor coverings the wood structure and framing would be treated with a surface applied water-based encapsulating sealer to help prevent the release of any odors that have penetrated into the wood components.

I treated my MBA like any other investment.

Most Agents struggle because they do not treat it like a job; it is a job, if you work hard, prepare and organize you will succeed!!!  

. #1: look at your financing : you could (could) get a better deal if you are doing "all cash" or "hard money" as its often treated as cash bc of the speed you can close in. 

They treat you like a person and not just another number.