You can stock up during holiday sales once a year.
Black Friday and Cyber Monday are some of the biggest days of the year for bargain shoppers. And for good reason, retail and online stores often post some pretty significant markdowns these days.
More recently, Small Business Saturday has been added to the mix. Observed the Saturday after Thanksgiving, this annual event encourages consumers to visit and support local small businesses in their community.
Source : www.insider.com