I grabbed a few packs of these Rayovac CR2032 battery for $2 per pack. Seems to be in-store only.

Stock info:

743 Rainier Avenue South, Renton WA 98057 have 5
17432 Se 270Th Pl, Covington WA 98042 have 6
1400 164Th St Sw, Lynnwood WA 98087 have 8
1900 S 314Th St, Federal Way WA 98003 have 2
762 Outlet Collection Way, Auburn WA 98001 have 10
34520 16Th Ave S. Federal Way WA 98003 have 15
21200 Olhava Way Nw, Poulsbo WA 98370 have 2
11400 Highway 99, Everett WA 98204 have 3
1605 Se Everett Mall Way, Everett WA 98208 have 5
19191 N Kelsey Street, Monroe WA 98272 have 4
310 31St Ave Se, Puyallup WA 98374 have 6
19205 State Route 410 E, Bonney Lake WA 98391 have 2
16502 Meridian E, Puyallup WA 98375 have 5
8713 64Th St Ne, Marysville WA 98270 have 2
17100 State Route 507 Se Yelm WA 98597 have 2
1250 Sw Erie St Oak Harbor WA 98277 have 3
2301 Freeway Dr Mount Vernon WA 98273 have 2
909 E Wishkah St Aberdeen WA 98520 have 2