Q). Does this allow for power cord passthrough?
A). Unfortunately, the 3 in 1 Combo does not allow a power passthrough.
Q). Are you able to charge your MacBook while using this?
A). No, the Type-C USB 3.0 Hub does not support passthrough charging. Please email firstname.lastname@example.org for further assistance.
Q). is this reversible for the right side?
A). Yes, you will be able to use the combo hub on either side of your computer. Where ever there is a Type-C port.
Q). Will this power an external usb-a DVD/CD drive?
A). It would depend on the drive. If the drive is USB powered, most likely not. If it is, in fact, self-powered, it may be compatible.
Q). Does it have a usb-c port to charge the MacBook while using this hub?
A). No, the Type-C USB 3.0 Hub does not support passthrough charging.