When I was just starting out as a wet-behind-the-ears developer, an older, grizzled dev gave me invaluable advice for estimating: take your best guess of how lo

When I was just starting out as a wet-behind-the-ears developer, an older, grizzled dev gave me invaluable advice for estimating: take your best guess of how long something will take and double it, that's what you tell the users. That advice has stood me in good stead, though I've found as I've gotten older and more experienced, I could probably reduce the factor from 2 to about 1.5.