Jump on it. Bring some beans, fill her tank, make sure boiler is full by running brew switch until water flows through group (no auto-fill), pre-heat Silvia a half hour, set Rocky ~5 clicks above true zero grind and pull. If they work jump on it. Don't worry about dialing in a shot, just confirm functionality. Then ask "will you take $350" and wait for an answer, don't say a word. If not yes then ask "what's the best you can do" and wait for their answer, and of course be ready with $400! It IS a great deal :)
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