Here are only some of the things you could do with Tasker. Its real power is the flexibility to combine contexts and tasks however you wish: https://tasker.joaoapps.com/exampleuses.html
Make your phone a true smart phone! Why remember to change the volume every day when you leave home when your phone can do it for you?
Automate stuff based on the app you’re in, the time of day, your location, your Wi-Fi network, Received SMS or Calls, the currently playing song and many other (130+) states and events!