How much would you call "a huge cost"?
That's a good question.
I prolly should have phrased that differently since I don't know a decent used set costs.
hrm.
How about "whatcha got?"

Not what you want to hear, but they are hen's teeth. Reason being, in even a small spill, they seem to find their way to the deck. You can fit a fly screen to help protect them, does a surprising amount of good in a smaller spill.