Anyone want to meet up for a coffee and tell me how I can improve my IRR model?

A successful tip from billionaire business moguls and likes of Alex Hormozi.

Any tips for managing the complexities that come with wearing all those hats?

Partly used a HELOC on my house.

I want to buy a triplex in my area.   

I have personal guarantee, Mortgage note, promissory note.Now borrower(investor) neither paying monthly interest, nor responding to any phone call etc.What should be my immediate action. or series of steps.Definitely I will reach out to attorney. but in the mean time, I though asking here, if anyone has any advice.Thanks

I continue to work and earn to cover my costs and save some. 

It's not my 'best life' job. 

I've dabbled in real estate for the last 15 years and have made it work for me however, I haven't made it my full-time gig yet.

In California, if I want to sell my share of an inherited home to a family member through owner financing, is it possible to charge zero interest, say through a ten year pay back period or is there a minimum interest rate requirement?