USB 3.0 Switcher Selector 2 Computers Sharing 4 USB Devices KVM Switch Hub Adapter, Push Button, Manual, Black

Can you plug a dock into this that has monitors plugged into said hub? lookin for sort of a make-shift kvm switch, sense i can't find kvms that work.

what is a good source for the usb 5 v power supply? any product recommendations? is higher than 2 or 3 amp recommended?

Any recomendations for a usb-a to usb-c cable that is known to work? only the cable that came with it and an adapter works for me. ty

Can you use a usb-a -> usb-c cable to connect to a macbook pro with this?