OK, so I'm looking for a quick, cheap, simple method of pumping WVO out of collection barrels.

Note that I said PUMPING - not sucking. I've seen people's vaccum tank "super suckers", and that is NOT what I'm looking for. It requires too many parts that I don't have and couldn't get easily to put one together.

So, what kind of PUMPS are people using for collecting their WVO? I tried one of these

and I wasn't impressed. It was almost impossible to get it primed, and even once it was it didn't move the oil very fast - probably not more than a gallon a minute or so. On top of that, although it says it draws 800 Watts, it kept making my 800 Watt (continuous - 1600 Watts peak) power inverter kick out.

I'd like to find one that is self-priming that won't break the bank.

Ideas or suggestions anyone?