I've seen posts online where long-time eBay sellers have had their shops shut down by eBay for selling too many items. Where are the rules about this posted on the eBay website?

What is the limit to the number of things I can sell so I don't get shut down by eBay? | Ask a Mentor

What is the limit to the number of things I can sell so I don't get shut down by eBay? | Ask a Mentor | eBay Community