Editor's Take: How Little Is Too Little?

With a most challenging holiday shopping season looming, one of the trickiest tightropes this year will be inventory planning and management. That's an ongoing catch-22 in good times or bad. But this year will be more challenging than most in recent memory. How much inventory will be enough? How much will be too much, leading to potential overstocks? How tight can you get without frustrating online or catalog shoppers 
with back orders, or store shoppers due to slim pickings on the racks?