UPDATE:
Well, you won't believe this, but I ended up with an iPad mini 5 instead of the 10.5 Pro. I will get a Pro down the road, just not any time soon. Here's why.
I loved the first 10.5 Pro I got from the store, worked really well. However, after about a day use, I noticed the top of the device had a "clicking sound" whenever I pressed the top of the screen. The bezel seemed like it wasn't completely sealed to the main chassis like it normally is all around and I actually had this issue a few years ago with an older iPad. So I thought about it and didn't want a device with an issue that could make things worse so I took it back to the Apple Store. As it turns out, they had no more brand new 10.5 Pro units left and no replacement stock to give me. So, I said just refund me and I'll get it somewhere else. Keep in mind, before all of this, I was using a mini 4 as my main iPad up until November of last year...
I go to Best Buy and while the $499 10.5 Pros are sold out, I find an open box 10.5 Pro at one store for $409 and try that out. Guy let me look at it first, and it was in great condition, so I went for it. I however made a big mistake, I didn't ask about the warranty. When I looked up the serial number, the Apple 1 year had expired so they had that 10.5 Pro sitting there for over a year. I wasn't spending money on an iPad with no warranty and add to the fact of the bright spot issue the iPad was clearly manufactured at least a year ago I didn't want to risk it. SO, aside from wanting to return the iPad based on the lack of warranty, I also felt that it was just TOO big for my use. Why? I had gotten so used to using a Mini after I sold my Air 2. My wife turned me on to it. Simply put, I missed the portability of using it and it was perfect for me. So, I went for an iPad mini 5 and have not looked back since, this device is awesome.
Seriously, while I stated the lack of promotion would bother me the most, the smaller screen of the mini really doesn't make it an issue for me, I think that's why I can get by with it just fine. When I buy any larger screen iPad, I'd want it to have Pro-Motion but using the new mini, I have not felt any regret whatsoever. the A12 flies, the screen is gorgeous to look at and the portability is just like I remember. I would still recommend anyone to get the 10.5 Pro over the Air right now, but for the time being, the iPad mini 5 is what I'm sticking with moving forward.