Many loyalty programs and credit cards now offer online shopping portals which will allow you to earn extra points, miles, or cash back from your purchases. (creditabsolute.com)
Many of the major credit card issuers offer their users special discounts when they buy things through online shopping portals. (valuepenguin.com)
Here are some general tips on using online shopping portals to maximize miles and points any time of year. (rewardexpert.com)