Learn the Friendly, "Qualified" Yes

Now, I more often can say 'yes' because I want to be involved, but I also provide a clear understanding of how much time and attention I can afford to devote (as well as, frankly, how many interruptions I can handle). So, what used to be "Sure, I'll do xyz" is now more often "Sure, I'll give you 10 hours and 3 calls over the next month to use however you want". If nothing else, it helps everyone understand that time is a precious commodity, but it also gets me out of being the de facto manager for every aspect of a project I touch.
source: 43 Folders
keywords: life hacks
date: 01/05/2005