How do you get Chase Freedom Flex 5% cash back?

To get Chase Freedom Flex’s 5% cash back rate, go to the Chase Freedom Flex 5% activation page and enter your name, the last 4 digits of your card number and your zip code. You will need to activate new 5% categories for Freedom Flex every quarter to get the bonus rate.

Chase Freedom Flex cardholders get 5% cash back on the first $1,500 spent per quarter in select purchase categories. Purchases that exceed the $1,500 quarterly limit will earn 1% cash back. The current Chase Freedom Flex 5% categories (for Q1 2021) are Wholesale Clubs, Internet, Cable & Phone Services and Select Streaming Services. Chase has not announced the next quarter’s categories yet, but you can always check the Chase Freedom 5% calendar for updates. You can activate an upcoming quarter’s bonus categories on the 15^th of the month before it starts.

Purchases that do not qualify for the 5% cash back bonus earn 1% cash back. If you spend up to the $1,500 limit, the Chase Freedom 5% cash back categories can save you $75 every quarter. Just make sure to always activate the new bonus categories, or your eligible purchases will earn only 1%. If you’re worried you’ll forget, Chase makes it easy to set up activation reminder messages and calendar alerts.

The category will change from quarter to quarter, so it's best if you just check their page from time to time. Here's the link: https://creditcards.chase.com/freedom/calendar