It's a messy business, with dire consequences. Estimate too long and the opportunity may be missed. Estimate to short, and your sanity suffers.
After many years and and many projects, you do get a feel, but it's still more of a SWAG (Scientific Wild-ass Guess).
What's your experience? Any spectacular wins or fails?
Product managers everywhere are constantly challenged to effectively share the vision and timing for a product, especial…