black friday

with the holiday season drawing near and thanks giving in the past now we have run into black friday and the crazed holiday shopping season. it is a very important time for retailers to be on top of their game in every aspect of the business so they can capitalize on the enormous amounts of cashflow recoreded at this time. what are some other major seasons when it is most important for the manaers of the businesses to be on top of their game and why do you think this?