Recently, I saw someone on the chain showing off "I caught an arbitrage opportunity," and I found it both funny and a bit frustrating: many times you think you're picking up money, but you're actually feeding fees to others, especially in sandwich attacks, where the front and back trades trap you clearly. To put it simply, whether you can actually profit from arbitrage depends on whether you're forced to become a liquidity sponsor. And those on-chain data tools and tagging systems, recently they’ve been criticized for being laggy or misleading, I now just treat them as references, not fully trusting them; if I really want to act, I’d rather spend more time verifying the trading paths, slippage, and the changes in blocks before and after the transaction myself. Anyway, my definition of "opportunity" has changed now: only what can be reproduced and explained counts, unclear explanations are probably scripts arranged by others. That’s all for now.