As most shoppers know, the day after Thanksgiving, also known as Black Friday, can either be a shopper's paradise or the worst nightmare. For the last several years, department stores have been opening up earlier every year.  Lines have formed outside these stores anytime from 2 a.m. onwards.  For those of you shop on Black Friday, you are well aware of the many sales offered by most merchants. For those of you who have never shopped on B...