Here’s an example from real life just last week. Clorox ToiletWand Refill. Go look on Amazon, I’ll wait here. You’ll find many different sellers, some obviously “third party”, and some that look original but when you delve into the reviews you find stuff like this: https://imgur.com/9vyE8kq

I didn’t want to buy a toilet cleaner that would fall apart and make me fish it out of the toilet, so we went and got them from Target instead.