Namely, make a checklist of what you need before you go...
Two staples are not *QUITE* enough to keep a target flat when there's a bit of a wind...
Still had a good day on the range, which is a positive, but annoying trying to hit the target and be able to see the hits...
Now the checklist is stuck to the gun safe for future range trips.
Editing to add:
And a tool kit, especially if you've been messing with the height of your cheek riser!
And a cleaning kit, so if you need to try to push out a squib (/me crosses fingers, haven't had one yet!)
And a first aid kit, just in case (as next time I drive a staple through my thumb and didn't bring the kit!)