I called and got more info...
So after being on hold for a bit I was told that I can get the commercial invoice so I had her send me that, this is just an itemized and priced list by TB (looks like maybe material costs) sent to UPS for the delivery.
The agent told me "the first 5 lines are free, additional lines are $4.50 each and you have 10" which is a little weird given the commercial invoice TB sent has around 23 lines.
Given the hassle for about $40 extra of clearing this myself I then decided to just pay the import duty (which is $5 less if you pay before delivery is attempted) I then get the UPS import charge receipt. This has 10 lines of item categories as you can see:
Attachment 23559
So, the "first 5 lines are free" seem to be in this list. So it's $10 charge just for the brokerage I guess then 5*$4.50 for the other categories to make up a total of $32.50 brokerage fees, plus tax of course, why not.
It seems to me then that if you order more small things then UPS are going to do this categorization crap to skim more cash off the top of the shipment.
I don't know if TB can do something there, like maybe one bag a bunch of things and just put one line of "accessories" or something. Or ideally don't use UPS, they are well known to be the worst for this sort of stuff.