THEN After so many days, make the builder pay your carrying cost (since he is the one holding things up, at that point, you did your duty on the front end.)

After all carrying, costs, remodel costs, finance costs and selling costs we made a profit of approx $40k Lessons learned?

I never carry a balance more than $100 from the previous month.Savings: I have $120,000 in cash savings for reserves and for future projects. 

This is a good article I found on Carry Back and Carry Forward losses https://loopholelewy.com/looph...

If owner will carry the agreement, will the Brrrr method still work?

Properties have all sorts of issues when they're acquired and title issues can be among the most serious as they can prevent you from carrying out your plans. 

I do carry a multi-million dollar umbrella policy plus landlord insurance.

And until the Real Estate Police come kickin' down my door, I'll continue to carry on.

But if the seller will not do that, then plan to spend another 4-6 points on closing costs on top of your down payment.Some hard money will allow the seller to carry back 25% and then they will finance the rest of the purchase and a rehab.

Ive talked to the owner and he doesn't care much for the place and says hes willing to work with me on financing (possibly carrying the note at an accelerated interest rate for around 3-5 years).