Tania Anderson, writer of the Washington Post popular Shop To It blog, wrote a great article about Zilok and about how renting can help when you don't want to part with things you don't really use anymore.
As Tania puts it, "Parting is such sweet sorrow.". And if you don't want to get rid of things you may need once a month or less, then renting is definitely a better solution! What's more, with the average rental transaction making up for 17% of the resale value, you only need to rent your item 6 times to make more money than reselling!
You can read the full article here.