Why are we even talking about the tax treatment of Mello Roos on a primary residence?

Some CPA firms will run a cost/benefit analysis as to whether an S-corp is a beneficial tax treatment for your flipping business. 

I like to visualize savings in units of "beer"

That will help you visualize the crime.Do more detective work.

My personal practice is to ignore such requests and I apply it consistently just like tenant screening - so if you have sent me one and think I'm a jerk for not reciprocating, now you know why ;-)There have been several threads covering the topic of Colleague Request etiquette in the past: Will Bernard, Jason Munck, (the never opinionated) Hattie Dizmond, and Pyrrha Rivers have each raised the subject and given it a far more thoughtful and thorough treatment than you could hope to hear from me at this time.However, I do have a couple of suggestions for @Joshua Dorkin and his ever growing crew at BP central:{one might be seen as a little draconian}: Make it a requirement to include a message (Note of Introduction) when sending a colleague request; and/orhave one of the BP support team crawl through the above threads (and the others to which I did not link) on Colleague Request and Private Message etiquette and add a FAQ/Sticky thread to the New Member Introductions forum.

I want to point out that zoning mentioned in the listing:"Commercial Neighborhood which permits; adult day care, bakery, business services, child care center, coffee shop/cafe,community center, crafts or artisan’s studio, emergency medical treatment center, fitness center, grocery store, library, medical or dental office, museum, offices, personal services, place of worship and much more."

The 1031 Exchange requires that you have the intent to hold for investment, so if your plan is to build and then sell, you will not qualify for 1031 Exchange treatment.

All this over window treatments?

This will always avoid any accusations of unfair treatment. 

It's a nice place to start to get all the pieces laid out visually to help map the 'story' of your future business.