How to replace the LCD screen on iPhone 4?

I dropped my phone and cracked the screen, and the only place that would fix it charges the price of the phone I paid with my upgrade! So I found online a tool kit with the replacement part for only $5 (then ordered an otterbox to be safer next time).Is it easy to replace? And any tips on how to do it?

No it's not so easy to replace screen on any model of iPhone. You need to separate whole phone to take off the LCD from the phone! You can check video to see what you have to do! Good luck!