Only one of these methods involves "saving" money, and most BP users don't pay enough attention to it. 

He is brilliant in shorting currencies and their equivalents.

These two methods seem to be the easiest path to 800+. 

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

With this particular method, when you purchased the homeowners insurance it would have listed you as the owner, but when the claim is filed your LLC would be the owner.

Lots of methods and resources.

I would like to do the BRRRR method.

When I was doing the BRRRR method and leveraged a HELOC for these purchases, I was using my W2 income to put as much back into my HELOC as possible.

And there is definitely ways to structure a sub to deal to protect yourself a little better as a buyer but the problem is and will always be that the lender isnt in the loop with this and can call the loan at any point which puts a lot of risk on the sellers willing to do this method and the buyers who are investing money into these deals.

I think your income easily justifies a common-sense, time-proven method: increase earnings, reduce expenses, save, and invest.