If only selling an outfitted ship didn't cost you 10% of the value of all weapons and modules as well as 10% of the cost of the hull... To sell a ship with a minimal loss (and that is the 10% you loose on the hull sale), you have to first sell everything off it (and exchange everything you can't outright sell for the cheapest analogies) before parting with the ship. So selling a ship remotely would cost you dearly, especially if there was a premium for the actual remote sell action on top of the usual loss as described above.