Rate is higher than a traditional bank but lower than private money or hard money.

I know it has been called a little/ no money down investement route but I believe that is more to do with marketting costs.The gurus have explained the steps in details such as qualify a TB, but in order to do so don't I have to go a mortgage broker and ask them to carry out the required checks..surely that carries a cost..I would like to understand from someone who has experience the followingwhich professionals need to carry out each stage for both the TB and the seller documentswhat are the ball park prices I need to expect for these services. 

It turns out the bank authorized the work on the house.  

Explain your entire situation and ask if they can do it

When investing with the BRRRR strategy do you use two banks, one for initial purchase and then one for the refinance?  

The home will not qualify for a mortgage because it is considered a bad investment to the bank due to repair issues.

If I were in your shoes, I'd simply explain to the downstairs tenants that when the noise is going on, they should call the police and not you.

I see that you are in NY, and M&T bank who has a really big footprint in NY does a lot of these type of loans.

Especially if you can come across some good off market or bank owned properties.

If so, can someone explain this to me.