Binance Web3 / Agent ID — how do you set gas and Dev Mode?

For BNB / Binance Web3 users: I claim Agent ID, turn on Developer Mode, and leave a little BNB for gas before touching any .ai style flow. Entry I use: https://web3.binance.com/referral?ref=PIBCJYU1 — curious what gas buffer others keep. DYOR / NFA, not a call.