This seems to be common with Intuit, where their billing system is built on the theme from Hotel California, “You can check out, but  you can never leave.”

Resolution for 'billing system issue: 'Why am I being charged for 4.50 even though I already cancelled my subscription? When I logged in to quickbooks online to check it still says I am cancelled.' available: Yes.

The billing system issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the billing system issue yourself by looking for a resolution described in the article. If it is a complex billing system issue or you are unable to solve the issue, you may contact us by clicking here or by using other billing system support options.

For more information about resolving issues related to billing system in Quickbooks/QBO or to get support for the issue 'Why am I being charged for 4.50 even though I already cancelled my subscription? When I logged in to quickbooks online to check it still says I am cancelled.', click the link below: