We know Drupal 8 has a heavy caching mechanism, so we need to clear cache for changes made in twig file or some other file to reflect in the site. Basically, a themer or developer won't love the caching system on the development stage. So it is better to disable cache on the development stage rather than clearing cache for every change being made.
And here are the steps to disable cache and save your valuable time:
Copy and rename the sites/example.settings.local.php file as sites/default/settings.local.php