I’ve figured out how bumping works now—it’s a bit odd, but it is consistent.
Tags will only bump the topic if there are no comments. This is an issue as most deal posts receive no comments. This means that they get bumped when the expired tag is added.
To prevent this from happening, I’ll have the @productdork account make a single post everything in the deal category. Here’s an example:
I think this should fix the issue. We’ll see.