Recently, I've been looking at that pile of "sandwich + arbitrage" on the blockchain, and honestly, you think you're picking up money, but most of the time you're just paying fees for others and providing liquidity... I now always check slippage and pool depth before placing an order; otherwise, after a swap, if the profit isn't realized, my wallet gets slimmer. If you're really going to do it, don't get carried away—use private routing if possible, or break it into smaller parts and take it slow, so you don't feed MEV bots too much. By the way, that mainstream public chain is about to upgrade/maintain, and there's chatter in the group about whether projects will migrate. My feeling is: don't rush to bet on it whether they migrate or not; code and contract addresses won't perform for you. First, check the announcements and repo updates—those are the most reliable. I'm tired but still here; anyway, I'd rather do fewer trades than become someone else's fee source.