Hello @SergSigal,
Welcome to the Community!
I'm sorry you're having trouble linking your credit card. I recommend clearing your cache and cookies, trying a different web browser, or another device. You'll also want to ensure you're logging in from a consistent device with your location services turned on and any hosting IP/VPNs turned off. For further assistance, please reach out to our Customer Support. You can also reach us on Facebook Private Message or Twitter Direct Message.
I hope you can link your card soon!
- Meghan
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