[tpmx]

A practical concern with Starlink in this scenario is that the dish consumes ~100 watts.

Bring 2 square meters of solar panel, an inverter and some batteries and hope for sun.

[Johnythree]

You can turn it off when not in use.

Whatever, your present PC, Monitor, printer, Router, and Internet wireless will already be using more than 100W.

[tpmx]

Printer, monitor, ... ?

A ~15 watt Macbook Air M1 seems suitable when living on a boat.