(at|for) a price

with a very high price

The idiom "at a price" is a simple expression that has been used in the English language for many years. It is derived from the concept that most things, especially valuable or desirable ones, come with a cost or a price that must be paid. It is used to indicate that something is available or attainable, but it requires payment, sacrifice, or compromise.

He was willing to help with the project, but it came with a price—he expected recognition for his contributions.
She was willing to sell her rare book collection, but it was at a price that collectors would find quite steep.
The company agreed to provide additional services, but it was at a price, and the client had to pay extra for them.
The luxury vacation resort offered exclusive experiences, but they were only available for a price, catering to high-end clientele.
The politician was ready to support the controversial bill, but it was for a price—he wanted a specific provision included.

by enduring unpleasant consequences