This is a trailer I built myself. Tried to use what I had sitting around.
So these are links to most of the stuff I mention in the video.

Trailer LED weld on lights. https://amzn.to/43QoZdJ
Key fob control. https://amzn.to/3NElLEJ
Hydraulic pump. https://amzn.to/3Xj3Lmj
This is NOT the actual pump, I can longer find the one I used. This is as close as I could find.