Imagine where you would be now, should you have postponed the ''fight back'' to a later date and you and your partners would have simply concentrated on making Marco's system work for you?

Both of these leaders did this to convince their followers to toe the line, not to convince themselves.Survivorship bias is, as Wikipedia describes it, "The logical error of concentrating on the people or things that made it past some selection process and overlooking those that did not."

One thing to remember is that you should concentrate your efforts on endeavors that make you the most income.

I think ideally you should concentrate your effort on actually becoming a successful REI first.

I concentrate my endeavors in markets where land can be purchased inexpensively, allowing a variety of strategies.  

From what I've gathered, because there is so much competition on the MLS right now, I need to concentrate more of my time and energy towards finding the sellers before they're actually sellers.

It looks like you guys are concentrated on SFH and the financing is not so great on those after a certain number.

It is a bit tough to follow for the layman, but it can give you an idea.https://www.nejm.org/doi/10.10...Some info I have read show the highest concentration of viruses aerosolized found are 8-12 per cubic meter.

Otherwise, forget about getting into a duplex, concentrate on your studies, get your degree, then a good-paying job, and then you will be ready for a duplex.  

I think it may be more prudent for you to spend some time on the sources of information & methods you're using to come up w/ your ARV & renovation costs in lieu of concentrating on asking the seller what they want.