I got my mity-vac from tooltopia dot com. It was ~ $75 and I also got the brake bleeder kit ... makes bleeding the trailer brakes, or any other brakes a breeze. It was ~ $15 extra. It holds 8 liters (or something like that), so you don't have to empty part way thru an oil change on a Mercury blue motor. I was working on my boat in a large sheet metal storage facility in mid-summer in NC when the temp was right at 120F inside. Didn't stay in there very long ... jumped in the boat, stuck the sucker tube down the oil dipstick tube, pumped the mity vac several times and left. Came back to a really big mess. It imploded on itself somewhere about 3 qts into the process! I reinforced that one with 4" Schedule 40 PVC pipe, inside the tank, and still have it as a back-up, or to lend out to friends when they need one.

thanks again.
I think I'll go get one, sounds much easier than the old fashion way I been doing it for 25 years.