Do you know an approximation of how much the cost segregation with speed up the depreciation, ie 30% of depreciable base(price minus land)?

Since you know what you need to buy it at and an average rehab cost, I would say $50-70k for a cosmetic flip, set the ARV based on the sample you choose and doing comps and ask them if they would invest in a deal similar to this. 

Start to evaluate deals based on the income approach and you'll do much better long term investing. 

Based on my experience with custom home builds, and the photo they attached with my update, the house *should* be dried in within a few weeks.

Quote from @Brandon Croucier: Financing a commercial MF that runs as an STR is possible.Appraising a property based on the income is not, whos to say a buyer would STR the property. 

Based on the questions you are asking I think you need to spend more time listening to podcasts like Bigger Pockets and Bigger Pockets Rookie.

Take a look at this BP podcast.

Airbnb is very algorithm based and despite the popular opinion its not hard to stay in good standings on the algorithm. 

I was asking with the assumption that I can at least manage the property myself, but based on the documentation they provided it seems like not if I don't have a broker license myself... 

I suspect there could be some truth behind Melanies claims based on that thread..