Earlier quoted context omitted.
What's stupid in wanting to get an idea of how much a project costs in order to decide if it's a good idea to pursue, let alonr allocate resources?
"How long will X take?" "I don't know, I've never done X before." "Yeah, yeah. It doesn't have to be perfect analysis, just a rough idea for scheduling. Not written in stone, ha ha." "Uh, a week?" "Okay, great, so if I say 8 days you should have it done by then?" "Yeah, I hope so." "Great, thanks." Day 3: actually doing X requires unforeseen Y and Z which will each take a month. "We need to add Y and Z to the schedul…
Never say a week when there's the chance something will require a month because you didn't understand it.
You need to learn this lesson. A week is a blink of an eye in software, and only things you understand take a week.