found another offer that seems to be for existing members that want to renew for 6 months minimum,
https://www.amazon.com/kindle-dbs/pr...&tag=efly01-20
6 months - 47,86 $
12 months – 80,30 $
24 months – 143,820 $
Redeem before 11:59 p.m. (PST), June 30, 2020.
Spoiler:
Terms and Conditions
Limited time offer. Amazon reserves the right to modify or cancel the offer at any time.
Offer must be redeemed by 11:59 pm (Pacific Time) on June 30, 2020.
Link valid for one-time use only.
Limit 1 redemption of offer per Amazon customer account. Offer may not be resold.
For existing monthly, pre-paid or free trial Kindle Unlimited subscribers who redeem this offer, automatic renewals will be temporarily suspended for the duration of the new plan.
Use of Kindle Unlimited is subject to the Kindle Unlimited Terms of Use.
After the trial period, you authorize us to charge your credit card on file or another available payment method $9.99/month plus any applicable taxes until you cancel. You may cancel your subscription at any time by visiting
www.amazon.com/kucentral and adjusting your settings.
If you cancel your Kindle Unlimited subscription during the free trial period, a refund will not be issued.
If you violate any of these terms, the offer will be invalid.