0. Set up a random email alias with simplelogin.io (works best with protonmail)
1. Set up a new disposable credit card with privacy.com
2. Set the spend limit on the card to $1
3. Give alias email and fake name/address/billing info to app (privacy.com doesn't care)
4. Use free trial. When it's up, they will fail to charge you because the card has insufficient funds.
5. Turn off email alias to not see annoying messages about your card not having enough money

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