Fortunately, my experience shows there are honest dealers that do not renege on their promises and respect both themselves and their customer. Even in this business, notorious for some bad apples, there are also decent ones.
Evangelical churches often do the love-bombing thing too.
"£10k is a really good deal but I need to OK it with my wife."
comes back 2 minutes later
"She says we can't afford any more than £9k."