Anyone who decides that having bought a ticket they now don't want to go will place them on the exchange. All this means is that they then become available to buy in the normal way. So as a buyer of a ticket you approach it exactly the same way as you would normally buy a ticket. Just keep...
The comment about the Southampton game going to tier 3 is a bit misleading. It didn't for season ticket holders, only for 1901 (of which there was a small handful).
Just spoke to my Pompey supporting neighbour. 14,000 season ticket holders, they have been split into 14 sections and are taking it in turns, so you can't have anyone going to every game with some going to none. Seems fairer I have to say. I believe Spurs are doing something similar.