What investing?

Lego went up in value because kids who played with it 30 years, are now grown up and some have enough money to indulge in a childhood sentimentality. Those sets were played with and they were not considered valuable and thus thrown out by parents and became rare. For example, no kid is playing with today’s Pokémon sets (at $500?) and they are to expensive to be thrown out. They won’t be rare and they won’t have sentimental value for today’s kids in 2056. If you want to gamble, buy at least...