I used the internet for the last vehicle we purchased. The dealership actually had a sales guy dedicated to internet leads (I think he was also their fleet manager). I submitted a query late in the day on a Saturday. He responded back promptly that he was out of the office and would get back to me the next day with the info we reqeusted. The next day I received an email with information on the exact vehicle we wanted, with a lower price than I was able to come up with using some online tools.
Needless to say we went and bought from him and it was a quick and easy transaction with no surprises.
So, No, I don't think you were unreasonable at all.
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