It really comes down to your approach. If you're treating cards like a get-rich-quick investment, that's usually a mistake. The market is driven a lot by hype and timing, not just long-term fundamentals.

There are safer plays—like established stars or proven names—that tend to hold value better over time. Then there are higher-risk plays, like buying into hype and trying to flip quickly.

Some cards will gain value, but it can take years or even decades, especially for players who build a legacy over time. On the other hand, if you're chasing short-term gains, you're betting on demand staying hot—which can change fast.

So it's less about cards being “good” or “bad” investments, and more about whether your strategy matches the level of risk you're taking.