I think it is quantifiable. One way to quantify it is to determine exactly how much you are prepared to pay to keep the tile, (or some else is to get it). A po

I think it is quantifiable. One way to quantify it is to determine exactly how much you are prepared to pay to keep the tile, (or some else is to get it). A possibly fairer way might be to let you pay what the next highest bidder is prepared to pay. That means you unique addition remains your profit, while also quantifying the opportunity cost instead. Regarding idling, I'm not arguing against that, only against the system by how it's scheduled and who pays and who gets paid for it