I was engaged in my periodic trolling of Craigslist and came across a Vacmaster VP112 an hour away. It was advertised and having only been used to seal a few bags in an aborted venture so I drove over to look at it. It was in the original box and was pristine without a scratch, scrape or spot and I sealed a bag to test it.
So, $220 later it and a case of 3 mil 12x14 bags were in the trunk. It's now on one of the baker's racks in the pantry next to a receptacle so we don't have to move it to use it.
With the filler plates:
And, without the filler plates:
and now all I need to do is convince my wife that buying cases of a thousand or more of each of several sizes is "saving money".....