As per Deloitte’s 2017 holiday survey, holiday shopping season accounts for more than $1 trillion and more one quarter of annual US retail sales. Yes, it’s that time of the year when customers and retailers are all geared to put their shopping strategies, tips and tricks to play. Customers look around multiple stores and sites till they find, the best price or rewards that add value to their purchase.

Although retail spending grows overall in December, consumers tend to spend a smaller share[...]