I usually give "them" a shocker estimate, and my rationale is pretty simple - unknowns. And for the most part my estimates are usually right. If asked to trim i

I usually give "them" a shocker estimate, and my rationale is pretty simple - unknowns. And for the most part my estimates are usually right. If asked to trim it, I simply state that OK, I'll deliver what may not be the right product but then it will become a matter of maintenance instead of development. Your choice.