In both cases he says he doesn't care about the extra condition, so it's obvious that his only final intent is to get what he's stated he wants, since he states that regardless of the conditions. If he has other intents that he simply doesn't care to share with the vendor, we're merely guessing at them. How does this tell you anything about his intent to obtain something extra or incur unexpected cost? He never states: OH I would definitely like that extra item, meaning he specifically intends to obtain it. He never states: I'll gladly pay another cost so I can have what I want, though he does essentially say I don't mind paying more and you're getting an implication that's because of the high value to him of the item itself. In fact I don't feel the word intent would describe your change or lack of change of the overall goal in this scenario. How annoying