> I think I heard 3 years at a minimum (don't take that number as gospel, but the order of magnitude is roughly right as a best case).

I appreciate the sentiment but order of magnitude is thrown around to the point of meaninglessness. What is the 'order of magnitude' of 3 years in this case? 1-9? How is 3 years roughly the same as 1 or 9 years? Same order of magnitude, off by a factor of 3 to 9, in years is not close enough I'm afraid.