I know there is an ATI exemption that reduces the taxable value by ~25%.Anyone else went through this and can advise on how to move forward with this?

You might want to find a better deal on furnace filters...

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

Energy workers on an irregular work schedule? 

You can bring cash 💰, close fast 🏃‍♀️, and buy properties 'as is' 🏗️?

You can do well with a more simple approach, but it won't be easy either way.

We have a pretty solid lease that has served us well on our properties but on the most recent move-out by a long-term tenant that always paid early, we had to clean from floor to ceiling and everything in between. 

You can do it yourself, for sure.

I'll take all the discounts I can!

Where I am, professionals called expeditors, most of whom are architects can review it for you, including a walkthrough some years ago costing me $150.00 per visit.