Well I know a VPN can protect your privacy but are there any other advantages?
Mostly changing your ip (this also probably is not the best place to post this
Your ISP can’t see your unencrypted network traffic, therefore they don’t know what sites you visited and what you did on them. A VPN is also useful because it changes your IP, so you can log in to any site from (nearly) any country of the world. This is useful because for example, Netflix has “country-blocks” on some shows, and by changing your IP, you can access them easily.