Since you mentioned a drive, I'll assume you mean junk files or files that don't have anywhere specific to go. I don't count how much junk I keep, but I do know I have plenty. Maybe about 300+GB worth.
Buying resources out of their own pockets, spending energy and effort, with almost no return so that everyone can enjoy the cultural and entertainment products of developed countries at almost zero cost walking in the dark to serve the light, they are real heroes