It comes out to about a 85% savings off what we would pay for ringcentral, and we get an infinitely customizable system.

If for some reason that is not agreeable with your tenants, then you are stuck relying on shelf liner.A few other options are: 1) let the process take its course and know that you will have issues to deal with in a few years, although these are relatively durable products assuming proper use and damage control 2) try to water proof them with a fast drying brush on lacquer product or an aerosol product (several thin coats)....never done it but don't see why it couldn't work or 3) after step 1 is complete and it has been a few years, you can sand down the bubbled up cabinet bottoms where wet plates and cups were set and put new 1/4' hardi-board????

Our brain possesses mirror neurons, and modeling a master is infinitely effective.This is not a sale and I am not getting paid to write this.

Good luck, buying a particular note isn't as easy as buying a hammer off the shelf.  

I put it on the shelf because of the same reasons as you mentioned. 

I know it depends on the buyer but does more shelf space make a difference.

So you're return is therefore infinite.

There are literally an infinite number of possibilities for exact average OE if it's between those two numbers (in other words, it could be 47.34534% or 49.234234% or whatever), with 50% being the very highest possibility.

And with no money down my returns in infinite in this scenario.

In fact, in his book, he suggests (and I agree) that one is most vulnerable with few properties, because cash flow from other properties cannot serve to soften the blow of large expenses on one property (again, going back to the idea of an average cost).So, in other words, in infinite time (or over infinite properties) he is estimating operating expenses will cost around 50% of gross rents.