Based on the information available, there doesn't seem to be a specific limit to the savings one can accumulate using a Lipitor discount card. However, the exact terms and conditions may vary depending on the issuing authority of the discount card.

Lipitor, a medication used to treat high cholesterol levels, can be quite expensive without insurance. To help offset these costs, many pharmaceutical companies and organizations offer discount cards. These cards can provide significant savings, often reducing the cost of Lipitor by up to 80% [1].

However, it's important to note that these savings aren't unlimited. There may be a cap on the amount of discount that can be applied per prescription fill or per year. This information should be clearly stated in the terms and conditions of the discount card. If it's not, it would be beneficial to contact the issuing authority for clarification.

Furthermore, these discount cards are typically not insurance and cannot be used in conjunction with insurance. They are designed to provide assistance to those who are uninsured or underinsured [2].

In conclusion, while there doesn't appear to be a universal limit to the savings provided by a Lipitor discount card, the exact terms and conditions can vary. It's always advisable to check with the issuing authority for specific details.

Sources:
[1] https://www.drugpatentwatch.com/lipitor
[2] https://www.lipitor.com/savings-and-support/lipitor-cost-help