July 3, 2026 · 6 min read
Estimating Gas Right: eth_estimateGas, EIP-1559, and Buffers
Half of failed transactions are gas mistakes: an 'out of gas' revert or a fee too low to ever get mined. Here's how eth_estimateGas actually works, how EIP-1559 fees are built, why you buffer the gas limit, and how to put it all together without overpaying.
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