This has happened to me more times than I can count.... price I pay for actually driving air cooled 911's. My response now is; you're about the 500th person that has asked and I still have the car.... your offer is? Then, that stupid look on their faces when the know 1- I'm a wisea$$ that's too much trouble to deal with 2- only a ridiculous amount of money will take the car. I also photograph the potential buyer and his vehicle. Surprisingly some don't like being photographed

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You need to up your 'reasonable' number by at least $25k.
If some is going to give me nearly 6 figures for a non turbo 80's air cooled 911, they can have it.