With the onset of my first retirement spring, I’ll be back out in my carport-workshop. I need to bolster my abrasive stockpile, and the big box selections are ok, but can be pricey in small quantities.

What brands and online sources do y’all recommend? I on an Amazon Prime account, so I’m ok with ordering through Amazon and major brands like 3M, but would like to hear about alternatives. I’ll be mostly woodworking but some need some of the higher grits for metals, both sheet and one orbital sander. Thanks for the inputs!

I have an extensive and super collection of abrasives - for “sandpaper” I use these fellers …

https://www.redlabelabrasives.com/