The Verge did a great article on just what is involved in repairing your own phone.  It is a long, complicated, and potentially expensive process.  The good news is that if you decide to buy your own repair parts from Apple and get stuck, we have the knowledge and certifications to complete the job for you.  Even better, you can just come to Yakety Yak in the first place and let us perform the certified repair using Genuine Apple Parts.  We can fix most phones in about an hour, and most tablets same day.  We can even special order parts for uncommon phones or tablets.  Let us be your local experts.

https://www.theverge.com/2022/5/21/23079058/apple-self-service-iphone-repair-kit-hands-on

More on our repairs here: https://yakitupdfw.com/cell-phone-repair/