Hi, @rlindal
Thanks for reaching out for support.
We understand that you have a query on how to make a dispute for the Roku charge and it would be best to talk to the specified team since we need to gather your personal information.
For this issue, it may be more effective for you to get help from our billing team
1. Please visit: support.roku.com
2. Sign in to your account
3. Look for the "Agent Support" tab at the bottom right corner of the page
4. Click "Check support options"
5. Click Account, Payments & subscriptions
You can also view and check the charges on your account and this link will help you out: How to review your purchase history and charges to your Roku account
Best Regards,
Kash
Takashi O.
Roku Community Moderator