How do I add or edit my billing information? – Madison-Reed

If your subscription is scheduled to ship in the next 10 days, scroll down to the box that says Your Subscriptions and click "Manage Subscription"
If your subscription is set to ship in more than 10 days, click on "Subscriptions" from the top navigation menu
Next to the subscription you would like to edit, click "More"

Scroll down to the box that contains your Shipping Address and Payment Method
Under Payment Method, click on the pencil icon
Select from previously entered payment methods or click "Add payment method"
Click the purple "Save" button
You should see a green banner appear across the top of the page that says "You have successfully updated your subscription"