When I was around 9-10 I was extremely obsessed with gaming, and loved to just play games. I had always known the basics about PCs like the CPU, and the RAM etc. I would look at alienwares thinking that was the way to go, and started saving. I would always play with friends, and eventually one of my friends build his own PC. At the time, this amazed me. So I went on youtube and spent hours just learning all about PCs and watched endless tuts on how to custom build them. Eventually, I had saved up enough and I decided to build my own PC. Now the parts I chose, where pretty good for gaming. I understand the processor was somewhat overkill for gaming and I could've saved atleast a $100 by getting an i5.
But eventually I had my dad take me to microcenter in Denver, and I chose out all the parts previously so all I had to do was just go pick them up. This cost around 900$ at microcenter and I came home and started the build.
Building your first PC can be somewhat scary, because it's the first time you've ever assembled the parts.
Gladly the case that I picked out was big enough so that It was easy to manage the cables and get everything in without it being jammed in.
This was a great first build and It can definitely run most games on high settings.
(You could also tweak some of the things like changing the processor based on budget, or add an SSD)