A guy at the Caboolture Mkts on Sundays --if he is still there -- has the best prices in Brisbane.
See HERE for background info.
Unfortunately the guy at the Caboolture Mkts died some years back. KISS Products. Best beds out.
I can't suggest for pure colourbond raised beds but I have raised planters made from colourbond and timber made be a fellow in Stafford, and another that is pure timber (with a plastic liner) made by a guy in Ningi. Let me know if you need their details if you broaden the scope.
All Steel Tanks, 4/16 Landy St, Northgate QLD 4013 are on the internet but there website does not give a lot of information about the cost.
The number doesn’t connect. I was planning on buying them from there.