In the first 10 days listed on Airbnb, the STR rental revenue booked covered the entire mortgage.Lessons learned?

That violates the Takings Clause.MD can be distinguished (in fact MD was mentioned in the decision) in that there IS a process on the books for the foreclosed owner to petition the court for the surplus. 

I'll quote the book, in the section how to vet buyers from fake buyers (other wholesalers)."

Educate yourself with books, podcasts, and market research, define your goals, and build a team of professionals to support your journey.

Every bank at that time had way too many non-performing assets on its books.

There is a lot to understand, so pick up a good book. 

Buy not many people can do this and it requires very good book keeping.

You spend so much money before you make a dime of booking revenue.

BiggerPockets has great books and podcasts for beginners.

Here are some great resources for you to check out: The Book on Estimating Rehab Costs https://www.biggerpockets.com/forums/12/topics/862964-wholes...Wholesaling Calculatorhttps://www.biggerpockets.com/blog/rookie-241?