I signed up for the paid version of Stessa through biggerpockets only to encounter flaws in their software, connection issues that have been ongoing for 10+ months, and basic feature missing that leave me dumbfounded. 

I am basically counting on the values appreciating over the next 2-3 years and possibly refinancing it later.

Basically you are selling yourself, not the arbitrage.

Here is a recent post of mine that addresses your questions:Cost Segregation - The Basics (biggerpockets.com)You don’t need to complete it before the end of the year to use it for your 2024 taxes.

If you meant the company specifically and not just the concept of pad splitting, be sure they are available in your area.

They are basically the same as applicant number one except there is an opportunity for them to make more money with the second person if they chose to work which means higher probability you will get paid on time. 

I ended up basically painting the entire apartment as every single wall hand several nail holes.

I have a friend out of PA that sets homes in the tri-state region and I can recommend some manufacturers up your way but need to know more particulars of what you're looking for, as in basic ranch, one story/two story, etc...

You could go either route but don't mix the two in concept as one is a mule and the other is a horse.And, the requirement that properties be listed for sale by a bank is a bank regulatory issue having nothing to do with the NAR, it ensures that the property is held for sale in a public market at its assumed fair market value.

I have a lot in East Rockaway, corner that I am helping the owner find a buyer...Trying to get more info on like zoning and how much you can build, Property shark has been useful in NYC but pretty useless in Long Island, can not even find basic info there, is there another website or resource I can use for more detailed property info?