I don't think he was trying to be difficult towards you. I think he just needed the cash fast and was guarding against someone backing out as many often do. We all have seen that happen. Especially being new to here he doesn't know the pretenders from the icons. We all know there are plenty of both.
CT70s are bomb! Good on you. See Karma does exist. I am mildly jealous, I had a gold CT70H (manual clutch 4 speed) back in the day.