I can't remember anywhere here where people are saying cheap is the only way to go.
Most of the discussion has been price, and a lot has been about what a few years ago was state-of-the-art, is now bottom tier or close to it, and when those first came everyone who bought one was praising them to the moon.
Now suddenly that that quality is the cheapest available, it's now off the shopping list.
OP says he's shooting within 120m, so the cheaper ones are going to do the job absolutely fine. Unfortunately they won't allow you to lube up and have a stroke over how you've spent the cost of a quad bike on one, but FFS be real.
I agree with Damo as well, a clip-on does it for me.
No zeroing whatsoever, small and light.
The OP also has to consider what he's using for doing the spotting as well, either a thermal monocular or binos, they are the things that will find and identify what you are looking at.
Sitting around looking through a rifle all night, holding the whole shebang up will make you hate the damn activity.
The only time just a rifle thermal would be ok for spotting for hours if you are sitting looking at a particular spot, which in most cases isn't.
My experience, being a bloke that has to find and have a go at taking out animals causing losses and grief, not for a weekend fun trip is that having something that spots heat at 1500m, and can separate a calf from a boar at 1200 is just a wank, because the simple fact is that you then have to get there at night without making it bolt. Which you won't.
Most of the people recommending this stuff wouldn't have a hope of doing that anyway.
It's easy when the glossy brochures say so though.
Me, I'm not going to buy another thermal until I have a head mounted set so I can sneak around with both hands to do something else, like hold a rifle. A set that flips up instantly, so I can use the firearm.
So my only comment on this thread will be to buy something made in EU or anywhere that isn't China.
A brand that has European made gear, like Nitehog or Pulsar.
This would be my absolute upper limit while I still have any sanity, but only if you are going to use it all the time. Not some casual every-now-and-then weekend trip.
It also helps if you are a pro (farmer or primary producer), and this is a tax deduction.
https://goingdark.com.au/products/pulsa ... 438e&_ss=r