I've got a $7 used 55 gallon barrel that originally contained oil, a $20 fuel filter, $12 fittings, $28 piece of hose and a $33 hand crank fuel pump.
Pump
Hose
Filter
Fittings
You'll need a few hose clamps, but I already had those. I also found a cap that I had to cover the end of the hose...