I set a rule for myself: when I see on-chain situations like "getting snatched up immediately after placing an order," I initially assume it's not an opportunity, but rather me paying transaction fees for others. Whether it's sandwich attacks or arbitrage, honestly, most of the time what you see is just the result; in the process, who acts first, who waits, who cuts in line—you're simply no match for bots. I used to chase after seeing "can I also get a slice this time," but now I prefer to analyze the scene of the crime: who moved first, who reflows, who finally dumps, so I can feel more at ease, at least not be the last one to act. By the way, the recent disputes over privacy coins/mixing methods are quite similar; everyone claims they're protecting freedom, but when compliance rules tighten, the most sacrificed are often small traders' usability... Anyway, I’d rather go slower and not put myself into someone else's scripted game just to "possibly earn a little more."