Hi! OK, if I can do this, believe me, you can do this too! Screen doors are a pain in the butt. Especially the ones that slide back and fourth. They are subject to all kinds of abuse, especially when the kids smash through the screen.
If you have a huge tear in the screen, it does not mean that you need to call in a contractor or leave your door at some hardware store and wait a week for them to replace it.
Fixing a screen door screen is pretty easy. It just takes a few inexpensive tools and a little confidence. The article that I have linked below will show you how to install a new screen really easy. You'll save money and develop a whole new home improvement skill in a matter of minutes.
How To Repair Replace Screen Door Screens