PokillionaireAkihabara has 44 Pokémon card shops. Most are mediocre.
The Diamond-tier gems:
- Hareruya 2 (5/5): Tax Free, consistently great prices
- Cardon (5/5): Phenomenal variety; they negotiate on expensive cards
- Ninnin 2-go (5/5): Cream of the crop selection
- Snkrdunk (4.5/5): Legendary PSA slab selection
- Laurie Honpo (4.5/5): Found my Gold Star Mewtwo here
Skip Treca Capital EDION (1/5). Time is money in Akihabara.