I'm currently diving into some older BiggerPockets content from around 2015, specifically The Book on Rental Property Investing by Brandon Turner.

I do NOT have enough knowledge or experience in this arena to provide specific “how to” accomplish this, or even to provide specific”proof” of my position.  

If you’re unsure about which specific account to choose, ask a local CPA or banker, since every situation can vary.

However, many states now require some version of a license to wholesale, so I'd identify a market first and then dig into their specific wholesaler requirements. 

I'm paintimg all my doors, cabinets, and baseboards semi-gloss, specifically so I can wipe them down easier.

During demo, if they open up a wall and find a leak that requires a change order. the change order should be specific to that repair and have a cost associated with it. 6.

And for an OOS, I always advise to keep things simple at start, don't get greedy, go for quality and consistency, then work on maximizing monetization later. 

In my area specifically most investment type property listings are properties that were purchased 1 to 2 years ago.

.- Depends on what you're doing specifically, but usually I'd recommend getting an EIN at least to give access to business bank accounts- Repeating #1, if you're going to a property and 100% of your time is spent doing renovations and the like, sure, but if any of it is for personal benefit, that'd be disallowed.

Happy to answer any specific questions you have.