Things that are harder for me to trade, but I will trade them for something on my high priority list.
I'd really like to have them, but I wouldn't sell my soul. Most likely a yes to offered trade.
Less likely to trade for these than the first two categories, but still likely.
Not actively looking for these, but may accept depending on what is offered.
I don't want these until I get the higher priority items, but I'll get to them eventually. My answer will likely be no unless offered multiple items.