Why did you charge me more than $100 over last year for my subscription?

Norton Community does not have access to your Norton account, subscription nor payment details.

Why every other year? 
Maybe, renewal $ change? 
Subscription Renewal Price List: Effective September 2023
https://us.norton.com/pricing
Maybe, ask Norton Official Support. ~ Contact Norton Support ~

Users may stop automatic renewal service and remove payment details...after setup. 
Users may shop around for better $. 
Users may discuss $ with Norton Official Support.  

• Users report Norton pulls recurring subscription payment 30+ days before current term expiry. 

FAQ: Norton subscription and renewal

• We send a notification email before each upcoming annual renewal (usually about 50-65 days ahead), so that you are not caught off-guard. This notification email provides important information, such as the price for the next annual term, and the subscription renewal and billing dates. This helps you to adjust your protection plan according to your needs.

https://support.norton.com/sp/en/us/home/current/solutions/v126985328

Learn more about your automatically renewing subscription
https://support.norton.com/sp/en/us/home/current/solutions/kb20080417115558EN

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Norton provides subscription terms on product page...your location: 
for example: us.norton.com

* Important Subscription, Pricing and Offer Details:

• Contract Type: contract for a monthly or annual subscription, starting when the transaction is complete. Click here for our Terms of Sale.

• Set-up: to get the protection/service started, you must download and install on each device and/or complete set-up.
• Free Trial: payment method required if signing up for a free trial (credit/debit card or PayPal only). When the trial ends, the paid subscription starts and the first term is charged, unless cancelled before. Special offer(s) may expire.
• Renewal Cycle: automatically renews after the initial term and is billed monthly or annually depending on your billing cycle, unless the subscription renewal is cancelled before the day you are due to be charged in your account or by contacting us here or at 844-488-4540. Click here to learn how.
• Renewal Prices: may be higher than the price for the initial term and are subject to change. Renewal prices can be found here. Annual payments are charged up to 35 days before the subscription is due to renew, and we send you a notification email with the renewal price before.
• Cancellation & Refund: you can cancel any of your contracts and request a full refund within 60 days of purchase for annual subscriptions and within 14 days of purchase for monthly subscriptions. For each annual renewal payment or free trial with paid annual subscription, you can request a full refund within 60 days of being charged. For free trial with paid monthly subscription, you can request a full refund within 14 days of being charged. For details, visit our Cancellation & Refund Policy. To cancel your contract or request a refund, click here.
• Updates: your subscription may include product, service and/or protection updates, and features that may be added, modified, or removed, subject to the acceptance of the License & Services Agreement.
• Usage: for non-commercial household use only. If you have issues adding a device, please contact us.

Virus Protection Promise: You must have an automatically renewing device security subscription with antivirus for the virus removal service.
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Do you want to stop your Norton subscription from automatically renewing?
Stop your Norton subscription from automatically renewing
https://support.norton.com/sp/en/us/home/current/solutions/kb20090818144126EN

FAQ: Norton subscription and renewal
https://support.norton.com/sp/en/us/home/current/solutions/v126985328

When you stop your subscription from automatically renewing:

• Your subscription will continue through the end of your already paid subscription term, after which it will end and not automatically renew.

• It typically takes a few hours from your request for the change to take effect.

• Any benefits associated with automatically renewing subscriptions may end when you stop your subscription from automatically renewing.

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Do you want to request a refund?  Are you within 60 days of the purchase date?  

Annual subscriptions: Norton annual subscriptions include a 60-day Money Back Guarantee. Under our 60-day Money Back Guarantee, the purchase of a Norton annual subscription is eligible for a full refund, if requested within 60 days of the purchase date. Each annual renewal payment is also eligible for a full refund, if requested within 60 days of being charged. For an annual paid subscription after a free trial, you can request a full refund within 60 days of being charged. Subsequent annual renewal payments are also eligible for a full refund if requested within 60 days of being charged.

https://support.norton.com/sp/en/us/home/current/solutions/kb20100512172507EN

Norton annual and monthly subscription refunds
https://support.norton.com/sp/en/us/home/current/solutions/kb20100512172507EN

Please submit: Cancellation & Refund Request
https://support.norton.com/sp/en/us/home/current/autorenew