I'd be happy to help you out. The truck set up has always been my thing. I dig it much more than going to work
I recently sent some rough plans and pics to another guy from the board so I will look for them. What are the interior dimensions of the trailer?
As far as cost, the shelving metal and lumber isn't too bad, maybe $300. The milk crates are under $10 or...free. I have to buy them nowbut I have borrowed my fair share in the past.
The smaller bins are kind of expensive at about $4 each but they are well worth the investment. I've been searching for 30 years before I found these and I tried everything. My first set up I used $1 plastic storage boxes with no dividers. It worked for a while but onece I found the ones I use now, I quadrupled my use of space.