You're Sucking All My Bandwidth
When someone expects too much from someone else. Especially pointless things that take much effort.
Boss: "I want you to redesign all those graphics 2% smaller, and put the invoices in reverse alphabetical order and staple my agenda packets perfectly parallel to the top of the page, exactly 1/8" down, and blah, blah, blah"
Employee: "Boss-Dude....you're sucking all my bandwidth"
Employee: "Boss-Dude....you're sucking all my bandwidth"