Thanks Tod, the "Weird Stuff" I assume you mean wavy, curvy etc, I imagine you are saying 20 mil (thinner) as it will conform better to the "Weird Stuff".......??
30 Mil for flat stuff, OK, I get that
I'll most likely order the bags from Joe woodworker, as I'll be ordering some other stuff from him, and shipping is always the killer, so I'll do my "Buy the best I can" thing. No sense in buying cheap, and paying for shipping, IMHO.
The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
William Arthur Ward