Borrowing tools, gear and movies between friends is a great way to save money and still get what you want or need. But keeping track of who has what can be a pain. Unless you decide to unleash your inner librarian and try this idea: Whenever you lend something to a friend, take a photo on your smartphone of them holding the item.
If you ever need to remember which movie buff buddy of yours has your favorite film, just flip through your photo album. If you can't remember whether you lent out your old hand blender or just lost it, check for a photo record. And if your friend swears she never borrowed your favorite sweater, you can show her the photo as proof.
Of course, the best way to keep your gear from going missing is to never lend it out in the first place. But this is an easy way to stay on top of your stuff and make sure you can still take advantage of all of the good parts of lending with friends.