This tool helps answer the questions:
  1. Where can I find the customized and optimized selection of credit cards that matches my spending in different category and provides the most cash back in total.
  2. How much more can I save every year by using credit cards than those who only pay cash?
Annual Spending clear
Grocery Swiping at discount stores, such as Walmart, Target, or Costco, are normally not considered "grocery shopping" by credit card issuers. Rather, you would need to input those stores' shopping in the category "Others" listed below. However, if you buy the store's gift card, for example Target gift card, from a supermarket, and earn grocery cash back. This is still equivalent to grocery shopping.
Restaurant
Travel
Gas
Online shop
Utilities
Home project
Others
Some Chase and Discover credit cards offer 5% cashback in some spending categories, but only in a specific quarter of a year. You can click this box if you're willing to follow a schedule to swipe cards and earn 5% cashback.
Financial assets For the consideration of Bank of America (BofA) credit cards only. If you hold significant (≥$20,000) financial assets at BofA, BofA may offer higher cash back, and we add this bonus into consideration. You can find more at Bank of America Preferred Rewards Program website.
Exclude banks
Best Outcome info This shows regular annual results, does not include one-time signup bonus paid by the card issuer if you fulfill its spending requirement.
Spending
Cash back
Return
Comparing with basic cash back, you can possibly save more a year.

Best Credit Card Selection

Spending
Grocery
Restaurant
Travel
Gas
Online shop
Utilities
Home project
Others
Cash back
Signup bonus
Annual fee
1st year benefits
Recurring benefits
0% APR for

Note: Opesway regularly checks if the card issuer's term and policy change, but the timeliness of update is not guaranteed. Please carefully read the contractual term at the issuer's website before applying. To be approved for these credit cards, you normally need a credit score of 680 or higher.