All of the above is very true. Aspies are almost always going to have difficulty in sales or any occupation that requires non-truth-telling. It's against our nature to not be forthright. So yes, I'd say either sell only what you believe in, or, find a different field. You might also try being a negotiator - someone who tries to help others come to agreement. If you are good at understanding how to get people to come to agreement with you, you might also find it feels right to help folks come to agreements that work for them.
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