One of the easiest and cheapest solution to protect our wireless phones is a phone case. It's usually made of a special rubber which will isolate your device from many various factors which can pose danger to it. If your cell phone falls into a puddle, you don't have to worry since the rubber has made your cell phone waterproof. If you think that it will make using the phone more difficult, you are wrong. If you choose a decent cover, you can be sure that after a few days of using you won't even remember that you have been using it.
Another great advantage of a cell phone cover is that you can easily customize your old phone and make it look exactly as you want. There are hundreds of different patterns and styles of covers, so there is no chance that you can't choose a good one for you. Just think that you can make your phone look different every day---if you've got a good mood, you may choose a bright cover, but if you're upset you can choose a dark one. Your imagination is the limit.
To answer the question from the title, a phone cover is definitely worth buying, especially if we consider the price which is relatively very low. Usually you can get a cover for around $2. There will be some more expensive, but it's an average price of a good quality cover. There is also one more thing that you should remember. When you install a cover it doesn't mean that your device is everything-proof. You should still be cautious when using it. A vover will just make it more resistant and of course better-looking.