Whats the worst thing you can get in a second hand shop?

Whats the worst thing you can get in a second hand shop?

Second hand toilet paper! Do you get it?

Omg that's disgusting you actually buy second hand toilet paper!

* This joke only really works in person and I've been telling it since I was 5 years old, I always thought it was funny so maybe it's only for young kids to tell, hey I'm in my 30s and still think it's funny