Recently, I saw a bunch of people discussing block builders and bundles. Honestly, retail investors don't need to turn themselves into semi-researchers. All you need to know is one thing: the transactions you send out are not necessarily "queued in order"; they might be bundled, front-run, or inserted in the middle, especially when you're chasing hot topics on DEXs or setting too large a slippage.

When I do cross-DEX small arbitrage, I'm actually more afraid of "thinking I understand it," and then setting gas arbitrarily or chasing blocks recklessly. For retail investors, there are only three essential points: 1) Don't casually set extremely high slippage; 2) Use large amounts in batches, don't go all-in at once; 3) Try to use private routing / wallets with built-in protection features (to avoid being targeted to some extent). As for how bundles are constructed or who is competing for blocks... just know they exist, don't get obsessed.

By the way, recently, before and after the main public chain upgrades/maintenance, everyone speculates whether the ecosystem will migrate. My feeling is: during times like these, "on-chain traffic control" is more likely. There are arbitrage opportunities, but the uncertainty of transactions is also greater. Anyway, I’ll hold back a bit and wait until the red light turns green.