We have the same color, same trunk mat, and same leakage :)
TBH, I am in south CA so it does not bother me too much. The last time when I visited TOR, Cole used two weather strips and it did a good job of waterproofing. Too bad the adhesive does not hold in dusty environments here. See my post...
Anything on the top, you can feel it. That is my feeling about Trailrax + IO tent :)
I found their store based on one reply in this forum. It is a tent like this.
https://www.amazon.com/EZUNSTUCK-Lightweight-Waterproof-Moisture-Proof-Small-Khaki/dp/B09ZNMFXZ8?ref_=ast_sto_dp&th=1&psc=1
Then...
This is my 4 channel solution. Not elegant but works. The camera is ok with daylight but night vision is too bad. I do like the video quality of wolfbox camera.
7 inch monitor with 4 RCA input
https://www.amazon.com/EWAY-Monitor-Displays-Channels-Rearview/dp/B0B63KRFBY?ref_=ast_sto_dp...
I like this idea. Do you have a plan to extend it to a multi-camera system? Something like a 4 channel input would be great. (A front, back, two sides)
YMMV, my rear settles about 1 inch lower with the default setting, but still more than what I want.
I set it to 1.125'' inch from thread to cap top(1/8 as a safety margin). I am not clear on what to measure as you mentioned. My ground-to-fender height is around 40'' now on a 315/70/17 tire.