That reminds me of something no one really talks a
Post# of 32638
When you start having a bunch of events, some sellers will want to get some primetime and pay up for it.
They also may not want to compete with multiple sellers in the same category so will want some spacing
Also when there are 100's or 1000's of vendors on Market, some vendors will want to pay up for ads or ad placement.
Extra revenue for Verb and maybe it can be significant. These are just some examples of revenue generation. There definitely are others.
Brands like the Gap will pay extra for that.