Personally I avoid buying anything built after 1950, which eliminates most of Downtown Suffolk. 

Online research is a way to eliminate properties, not add them to the short list. 

Our plan is to start this as a side business (we all have day jobs) and play the long game until we can eventually switch careers entirely.Books I've read recently:1) How to Invest in Real Estate, Brandon Turner2) Rich Dad Poor Dad, Robert Kiyosaki3) The Richest Man in Babylon, George ClasonMy goal is to eliminate as much ignorance on this topic as possible.

But I see that they eliminate your living room and dining room, instead putting in more bedrooms. 

I would make sure if it was installed in or above a finished space that it had a pan underneath it in case of a failure to eliminate/reduce possible damage.

I’m working to eliminate those in most of my buildings through the Installation of propane heating systems.

You can do all you mentioned above but you cant eliminate some of the luck factor involved.   

They changed how agent recruitment works, eliminating the brokerage recruiter and that salary, but not just eliminating but transferring who get's it.

It's a strict 2-year requirement.As for strategies to avoid capital gains on the sale, if your client doesn't meet the ownership and use requirements for the Section 121 exclusion, they might explore other options such as:1031 Exchange: If the property is an investment property rather than a primary residence, your client could consider a 1031 exchange to defer capital gains tax by reinvesting the proceeds into another investment property.Installment Sale: If your client is willing to accept payments over time, they could consider structuring the sale as an installment sale, spreading the recognition of the gain over multiple tax years.Charitable Remainder Trust: If your client is charitably inclined, they could contribute the property to a charitable remainder trust, receive income from the trust for a certain period, and then have the remaining trust assets pass to charity upon their death, potentially reducing or eliminating capital gains tax.These are just a few options, and your client's specific financial situation and goals would need to be considered in determining the best approach.

Using that same money instead and investing in oil exploration gets you 85% to 100% tax deduction the first year that eliminates or closely eliminates the any tax due on the Roth conversion.