Not at any price
Definition 1 of 1
Pro Tip 1/3Emphatic Refusal
Use this phrase to strongly decline an offer or suggestion, showing no flexibility or negotiation. 
Would you ever go skydiving? Not at any price!
Pro Tip 2/3Moral Stance
Use it to express a firm personal ethical boundary that you're not willing to cross, regardless of the incentives. 
She would not cheat on the test, not at any price.
Pro Tip 3/3Emotional Value
Apply it when something holds sentimental value and you cannot assign a monetary value to it. 
This necklace was my grandmother's; I can't part with it, not at any price.