I just walked into a Wal Mart Neighborhood Market that requires masks, without a mask, and the person at the entrance said I need to have a mask and tried to hand me one out of her box of masks, and I just ignored her and kept walking. Was able to get what I needed without a mask and wasn't kicked out or anything.
No idea why people at this point STILL believe masks work or make any difference.
So at Costco you wear a mask just to get in the door then pull it down below your nose and no one says anything.
I got harassed by employees at the Costco liquor store. Guy at the counter said "I'm not serving that guy!" Other employee told me to just put it on when I approach the counter. I said "fine, I'll do ONLY that." And now I'll go shop at a place that I've heard says you don't have to wear a mask. I'll pay more, but I don't care.