Rakuten, a shopping portal, is offering triple cash back at certain stores. Some people will also be eligible for 20% back/20x at Saks Fifth Avenue. This might be a good deal for Platinum card holders with Saks credit.The DealRakuten offers Triple Cash Back in select stores, both online and in-storeThis promotion is available via a direct linkRakuten is new!Get 3K Membership Rewards by signing up at www.ebates.com/americanexpressDeal: Register with the link above to make $25 qualifying purchases within 90 days and receive 3,000 bonus points.Refer a friend to earn $30 cash backRefer-a-friend Link: Get $30 Bonus Cash Back when you sign up for a referral link. Make $25 qualifying purchases within 90 days.Key TermsOnly valid for Fourth of July WeekendQuick ThoughtsCompare rates with a tool such as Cashbackmonitor to compare them. Not all stores will be offering triple the usual rates and in some cases, it may not be the best rate available. There will be some great deals in certain cases. There are often great deals in-store, so sync up your card if shopping in-store on the weekends.Someone has been reported to have been targeted by Saks Fifth Avenue for 20%/20x, but I only see 2% in my account. An Amex Platinum credit is a great way to use up 20x or 20% if you have the funds.H/T: Doctor Of Credit