Keeping your gears running smoothly will help you enjoy your cycling much more. These two videos from Cycling Weekly show how easy it is to adjust your front and rear derailleur yourself.
Theres no need to take it to a bike shop for these simple adjustments so you’ll have extra money to spend on other goodies :-).
How to adjust your front derailleur
How to adjust your rear derailleur
You can view the full written instructions and images on Cycling Weekly