What day do all the tags that are left of one color become $1?

I've never seen them go down to $1. But every week a different color is 50 percent off.

I've never seen them go down to $1 (maybe they don't do that here), but each day one color is 50% off.

In layton Utah it is every monday is dollar day

Sorry, can't answer that, you may have to call them. I only go on Senior Tuesday most weeks.