Many people save posts when they feel the content can help them at another time, so it helps to share tips, guides, steps, or reminders that solve common problems. When you share simple examples or give a clear explanation of how to do something, people feel the need to keep it for the future. I also noticed that clean layouts with calm colors make posts easier to read, which encourages more people to save them. You can even add a short line that says something like "Save this for later" to remind people. When you give people something they can apply in their daily life, they often return to it. What do you think?