Here are the things I bought.
NZXT H500i Casing X 1
Corsair RM850x PSU X 1 + Corsair H100i Pro RGB AIO Cooler X 1 + Corsair Vengeance RGB Pro 8GB X 4 + An Anti Static Wrist Wrap X 1 + 250GB Samsung M.2 NVMe SSD X 1 + RTX 2080 Founders Edition X 1
Intel Core i7 8700K + Asus ROG Maximus XI Hero( Wi-Fi) Motherboard X 1
High refresh rate Alienware Gaming Monitor with G- SYNC X 1 + Alienware Gaming Keyboard X 1 + Alienware Gaming Mouse X 1