I almost bought a 30 gallon steel drum from a local drum recycler here in Kansas City, priced at $30. Instead, I found a cheaper alternative on ebay (I've got access to cheap shipping). The steel drum may have been the most resistant to collapse, but I opted for fiber because it was easiest for me to modify / cut.
I'm collecting 5" connectors now, and will post some pics when I get started putting this together.
I'm collecting 5" connectors now, and will post some pics when I get started putting this together.