This will vary. Although it may come as a surprise to many patients tip work can be among the most complicated procedures when it comes to revision rhinoplasty. This is due to a number of things which may include scar tissue, altered or absent tip cartilage structures, the possible need to "create" new structures with grafts and the need to build a solid enough structure to resist the scarring changes that may have caused the need for the revision in the first place. Cost is driven by OR time and some of these revisions can be lengthy. In rare cases there might be a simple solution with a small graft or filler which would keep the cost down, but a complete tip, nostril redo may well cost as much or more then your original surgery. One note of caution, if the problem really bothers you and you want to fix it, find someone who has revision experience, that you make a comfortable connection with and then don't skimp-you are already going for your second procedure. Spend a little more to prevent a third.