Getting quality training on how to best survive a violent encounter is an excellent use of a shooter's time and budget.
Where's The Gun?
Consistency may be the hobgoblin of small minds, but it is also good for ensuring what you need will be where you expect it to be at all times.
Rather than silently curse poor gun-handling, take a moment to politely correct the person responsible. Safety never takes a holiday, and it's possible they just don't know better.
Shedding Some Light On The Subject
Incorporating a small flashlight for auxiliary lighting in low-light conditions can be quite beneficial for a whole host of reasons.
If It Ain't Broke...
It may take a little trial-and-error, but finding the handgun that best suits your needs is a worthwhile endeavor, whether it's the latest polymer wunderkind or a design dating back a century.
Extra Defensive Gear
What do a charged phone, a sharp knife and a bright light have in common? They're all items that should be part of your EDC gear.