Pokémon release days can be busy because supply, demand, and store policies vary. Some shops take preorders, some limit quantities, some reserve product for league players, and some sell first come, first served. Search Pokémon card shops and call ahead to ask about release date, expected products, purchase limits, pricing, and whether the store will run events. CardShopMap can route you to likely local sellers, but it does not know live allocation or shelf inventory.
Plan around your actual goal. If you want specific singles, waiting for early prices to settle may beat opening sealed product. If you want the experience of release day, set a budget and accept that packs are entertainment. The release-day Pokémon shop tips guide and sealed versus singles guide explain the tradeoffs. Treat fair store limits as a normal way to serve more customers, not as a personal obstacle to clear. A calm plan also keeps release day from turning into a budget problem.