Please disregard this public post if
- you think that you have not had any disk space problems in recent years and that the author quite frankly might just be behind on personal computing technology since everything is done "off the cloud" these days, or --
- you think the problem is too advanced for you to even try anything (like simply analysing your file system hierarchically, on your own) and you trust that "common" (commercial) solutions are your best options -- whenever it happens