Also, I would remove my emails from your questions as this is a public forum and for your protection.

You can do that yourself

Bottom of the stats page
https://my.wealthyaffiliate.com/share/stats

Thank You.

So yeah that's $ sign top menu then stats
or
clicking profile icon top right in browser, choose account settings onward to subscription, scroll to bottom, click last invoice and update payment source.

Hey
I update in two places, stats https://my.wealthyaffiliate.com/share/stats and payment source if you pay by PayPal as well https://my.wealthyaffiliate.com/account/subscription , last invoice and update payment source, please reach out if you need help or a hand.
Wishing you well, continued success and a terrific day.

My apologies, it's in the $ icon above where you can edit your PayPal account.

Yes, you can change it in your account settings.