As long as you are consistent in your allocation method and don't make money by billing the other tenant, you'll be fine. 

Hi there. I am trying to understand the BRRRR methodology but am having some trouble. I get the first first few steps.
Buy=got it!
Rehab=got it!
Rent=got it!
REFI=not so much....

I dont understand the refinance port...

The "cash for keys" method is to basically bribe the tenant to leave without the waiting period or formal eviction process.I used it successfully once for $300 per tenant in a house I just acquired, another time I was unsuccessful offering $2000 and had to go the route of a 60 day notice (required in my state if the tenant had lived there more than a year). 

In the future I will try and find more value add possibly using the Brrrr method.

I then want to try the BRRR and stacking method to get into a duplex six months later.I'm open to all and any advice!

I like this method because the closing costs on a HELOC are zero or close to zero, so your not adding much debt by way of closing costs. 

The BRRRR method is a great strategy, but I have a concern. 

I then created a transactional product for him to legally take title then he put them on his website.. it worked great for a few years.. until we fell out of favor he went right back to his same method since he did not have me to fund his transactional.. side got caught again and this time it was very serious.. 

I like this method instead of CoStar and others.

I wouldn't want to go into the deal with the wrong method of closing.