Buy for the real constraint
A poor home-office setup may be a heat problem, a chair-fit problem, a monitor-height problem, a Wi-Fi problem or a noise problem. Buying the visible gadget first often misses the constraint.
Check video-call basics
Lighting, microphone position, network stability and background noise can matter more than another accessory. Fix repeat friction before buying new kit.
Check space and cable routes
Desk depth, cable length, socket access and router position can block otherwise good equipment. Sketch the setup before ordering.
Use UK Shortlists next
Use Before you buy and the Wi-Fi route if the issue is reliability rather than product choice.