Sentence examples for down the line. from inspiring English sources

"down the line" is a correct and commonly used phrase in written English
It can be used in a variety of contexts, but it often refers to something that will happen in the future or in a sequence of events. Example: "I'm not worried about this small mistake right now, but it could cause problems down the line if we don't fix it." In this example, "down the line" means at a later point in time or in the future.