Sounds like your buddy is patient. We'll see how patient considering the GPUs are in high demand, with low supply.
CPU - AMD Ryzen 5800X
CPU cooler - Noctua NH-D15
Motherboard - any brand with X570 or X570S chipset and built-in WiFi/Bluetooth, such as Gigabyte X570 Aorus Ultra
RAM - Crucial Ballistix 3600MHz @ C16, 16GB
Storage - Samsung 980 Pro, 1TB
PSU - Seasonic Prime GX-850
Case - Corsair 5000D Airflow or Fractal Design Meshify 2
GPU - Any RTX 3080 or higher
Monitor - any 27", 1440p resolution or you can go higher on the size+resolution
As a reference, below is a link to my build, which I started purchasing around Feb 2021.
https://pcpartpicker.com/list/k3QN8J