Dont be afraid to discard
The person I spoke to, nicknamed Espeon, shared their experience both as a buyer and seller of Pokmon cards in Singapore
Students design their own Pokmon cards using a variety of size templates, fill in stats creatively, and then use them in multiple math-based games to practice essential skills
Its a pure nostalgia play aimed at tapping into the brains of people who first got into the Pokmon trading card game as kids when it started, have probably since fallen off, and now have nieces, nephews, or kids of their own, and enough disposable income to be willing to spend money to relive their childhood glory days, or at least get back that beloved foil card they lost, traded away, or had stolen back in the 90s
Of course, this rate would be based on the types of cards contained in the collection of bulk and what the seller deems as a fair price based on the condition of the cards