May there be no tech stocks or concept stocks in heaven...

The A-share market traps you not for months, but for years. Once you’re stuck, it’s basically a matter of seeing who outlives the manipulative market makers...
Precious metals and crude oil can trap you without giving you a chance to get out, too. These assets usually have very low price volatility. If geopolitical factors send prices soaring and you buy at the top, then the crisis gets resolved, you’re looking at being stuck for at least five years. If it’s spot, you can at least pretend you don’t see it... If it’s a futures contract, though, that’s a whole other kind of pain...
No matter how far it falls, the funding rate stays positive. Getting ground down by funding fees will really make you cry.