GET THERE EARLYYYYYYYYYY.
I'm not sure how large of a crowd an all-hockey sale will bring, but I was up there for the garage sale last year. Got there 2 hours before it started....and I was still buried deep in the line. The line starts at the indoor track building door in right field of the baseball stadium, and wraps around/down the right field line all the way around home plate and back out down the left field line. I was all the way back near first base, and had to wait about 30 minutes after the sale opened before I was even let in (they let people in in increments - like 20 people at a time - but by the end everyone is in there and it's a madhouse).
Luckilly, I still got my hands on a couple nice football jerseys.
But, my point is, if you truly want your pick of the litter, be ready for a very, very early morning on Saturday. Have the Mrs. fill a thermos of coffee and send you on your way early.
Good luck!!
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"I don't get sick. I don't observe major holidays. I'm a jackhammer." - Jim Harbaugh & Dwight Schrute