Seems like a reasonable deal when you include the headset and webcam. You're also not having to build this yourself or source the components.
Below is a combination of pcpartpicker and BPC pricing.
CPU: AMD Ryzen 9 5950X 3.4 GHz 16-Core Processor ($798.00 @ Amazon Australia)
CPU Cooler: Corsair iCUE H100i ELITE CAPELLIX 75 CFM Liquid CPU Cooler ($206.00 @ Amazon Australia)
Motherboard: Asus ROG STRIX B550-A GAMING ATX AM4 Motherboard ($219.00 @ PCCaseGear)
Memory: Corsair Vengeance RGB Pro 32 GB (2 x 16 GB) DDR4-3200 CL16 Memory ($204.00 @ Skycomp Technology)
Storage: Corsair MP600 CORE 2 TB M.2-2280 NVME Solid State Drive ($269.00 @ BPC Technology)
Video Card: ASUS TUF Gaming Radeon RX 6900 XT TOP Edition 16GB GDDR6 Video Card ($1599.00 @ BPC Technology)
Case: Asus TUF Gaming GT501 ATX Mid Tower Case ($219.00 @ Scorptec)
Power Supply: EVGA SuperNOVA 1300 P+, 80+ Platinum 1300W, Fully Modular, 10 Year Warranty, Includes Power ON Self Tester Power Supply ($299.00 @ BPC Technology)
Wireless Network Adapter: INTEL DUAL BAND WIRELESS-AX WIFI 6 DESKTOP KIT BT M.2 E 2230 ($35 @ BPC Technology)
Headphones: Sennheiser Game One Gaming Headset -506080 ($149 @ BPC Technology)
Webcam: Razer Kiyo X Webcam ($59.00 @ BPC Technology)
Total: $4,056
The ASUS TUF Gaming Radeon RX 6900 XT TOP Edition 16GB GDDR6 Video Card is $1599 via BPC. But you could potentially pay $1399 or so for a different 6900XT. Which would take the setup to $3,856
This list has a similar priced PSU and excludes the Headset, Webcam and Wifi card.
https://au.pcpartpicker.com/list/vHQygb
nice price,even better than DIY