The baseball card market reminds me of the Hammock District from the Simpsons.
Topps
Topps Heritage
Topps Chrome
Topps Redundant 1
Topps Redundant 2
Topps Redundant 3
Topps Redundant High End
Topps Redundant High End 2
Topps Redundant High End 2.1 (not quite 3)
Topps Redundant High End 3
Etc. etc. etc.
https://www.youtube.com/watch?v=xsbad8GEW78