I am new to biggerpockets.com so forgive me if this has been discussed already but, does the brrrr method work when working multifamily and if so can someone send me a case study or what the difference is 

It can work, but you have to really study the numbers to see what makes sense. 

I’ve taken time to study markets in each state and identified a few promising opportunities.

Someone could have income from a pension, disability, investments, or even Section 8 without being employed.I'm not taking the time to study your market, but the ad looks pretty good.

“Only when the tide goes out do you discover who's been swimming naked.”

But I've watched a lot of cases carefully & studied enough of the law now to know there are ways to fight it in court.

To invest in Section 8 housing, look at areas such as Cleveland, Columbus, Cincinnati, and Dayton, choose safe neighborhoods, study Section 8 standards, analyze property types, and explore financing choices.

Study the market.

@Rene HosmanRent.App is an awesome free solution that I recently discovered.

Study the market.