Good thread.
"Man plans, God laughs." I love that.
So, if memory serves the deal at The Schwab is that you buy them now and if you haven't used them come March 30 (or something like that) then you can get a full refund. I bought a pair thinking this was a great deal. Well, it's been 6 years, I haven't used them and I still own them. Chains are like flares and jumper cables. You're glad you have them when you need them.