My roku broke before I finished setting it up. I have tried for 3 months to cancel my free trial and then subsequent Showtime subscription using various roku devices and have been billed 45 dollars for tv I can not watch nor cancel. I obviously can't contact anyone at Roku for help.
In addition to what @renojim mentioned, if you need further assistance with account or billing related issues, please reach out to our support team directly here for your 'Account or billing' issue, here: https://support.roku.com/contactus. They will be able to further assist you.