In addition to all the great advice here, I'd also recommend:
Using software like CleanMyMac. Routinely finds a lot of crap that I can remove from my Mac, with noticeable performance improvements after each clean.
If you've been using Sketch for a while, this post saved me 30+ gigs of harddrive space. It's not a problem with newer Sketch versions, but since I've had Sketch 2+ years ago, one of the old versions would keep these huge revision files stored in hidden folders. I couldn't believe how much space it took up.
In addition to all the great advice here, I'd also recommend:
Using software like CleanMyMac. Routinely finds a lot of crap that I can remove from my Mac, with noticeable performance improvements after each clean.
If you've been using Sketch for a while, this post saved me 30+ gigs of harddrive space. It's not a problem with newer Sketch versions, but since I've had Sketch 2+ years ago, one of the old versions would keep these huge revision files stored in hidden folders. I couldn't believe how much space it took up.