However, I’m unsure of the actual process of paying myself as a business owner.Here are some questions I’m hoping to get clarity on:How do you legally and practically pay yourself from your Airbnb income?

Geez, there’s so much opinion, emotions, beliefs, and personal experience in this thread.  

Due to item 1, adding an ADU can require years to start achieving any return (once the accumulated cash flow recovers the initial negative position).4) Adding an ADU is a slow process.

All in all - owning a place to rent to other people is a business, and business decisions need to be made based on that cold hard facts and not on an emotional basis, unless someone wants to quickly go out of business.

I feel like that sounds simple but in reality would hold up the leasing process for tenants that are not proactive. 

Since this is a rehab, you shouldn't have to worry about offering a builders warranty but here's some things I've become accustomed to doing to make the warranty, sale process and transaction process easier.  

That is not everyone's thought process but it is mine. 

How much will depend on how well their processes are designed.

Do you understand the lien sale process? 

Start small with a single property to learn the process and scale as you gain experience.This post does not create a CPA-Client relationship.