Pick a specialization
CA$0 · 2 hrsFocus on one niche (vintage sports, modern Pokémon, MTG reserved list) to build real pricing knowledge rather than spreading thin.
Done when You can name the one niche — vintage sports, modern Pokémon, MTG reserved list — you're focused on and quote current comp prices from memory.
Watch out: Trying to know everything means knowing nothing well enough to spot real deals.