Why was I charged $9.99 THREE times in November according to my bank statements

If you're sure that the money was withdrawn, please contact iTunes Store Support Team directly, using this link:--> iTunesStore & App Store – Get support for various issues, and choosing: your country, then Apple ID, then iTunes & App Store. If your problem is not among the options shown there, tap/click on the option “the topic is not listed” and describe your issue.

Regards

Giulio

use this link to see charges, cancel subscriptions, request refunds etc

Subscriptions and Billing - Official Apple Support