At least 10 years: You start with the cheapest one-time payment and receive all basic benefits included (without illness support up to € 7,000). In addition, you pay a storage fee of € 120 per year.
Flexible time: You start with a higher one-off payment and receive all services included. You decide annually whether you want to extend your contract. In addition, you pay a storage fee of € 60 per year.
25 years: You start with a high one-off payment and receive all services and the storage fee for 25 years included. You only pay a storage fee of € 60 per year from the 26th year of storage.
50 years: You start with a high one-off payment and receive all services and the storage fee for 50 years included. Only from the 51st year of storage do you pay a storage fee of € 60 per year.
Basically, regardless of the duration and the payment, you will always receive an open-ended contract, which remains even after the prepaid storage fee.