QLD is the same. If it's under 750kg and within the maximum prescribed dimensions, it's a simple self-assessment form. You just calculate the GVM off the load rating of the tyres.Yeah, we have always just gone up and got issued a VIN. Its no big deal, you just stamp it into the trailer and fill in the rest with whatever you like. Victoria puts the responsibility back on the owner for responsibility of roadworthiness of a trailer.
Given the price of metal these days, I doubt I could build a trailer for the price of one like Bobs .... However it would be MUCH more heavy duty for similar money
I've built a couple of light trailers over the past couple of years.
Registering them is a piece of cake. They just hand you a data plate, take it home, break out the punch set, stamp in the details, rivet to it on, and job done.