Buying: Blue shards Trojan Horseshoe, and Skolver recipe.

Selling: (I recommend you use command F or whatever your computer uses to search for specific items on list. :B )
13 beast scales
7 blast powder
1 blighted bone
75 brimstone
31 bronze bolt
9 brute core
11 bushy tail
2 cooling cells
3 corrosive acid
1 critter carapace
53 dark shard
1 drake scale
2 driftwood
37 ecto drop
9 forbidden fruit
2 force dynamo
12 frayed fabric
6 frost gel
7 fuel canister
44 gel core
82 gel drop
2 ghost bell
10 grave soil
9 gremlin gizmo
1 hailstone
1 iron gear
75 light shards
1 miracloth
19 monster bone
1 mug of misery
6 nightshade
9 owlite feather
8 phial of phear
91 red shard
8 redwood
5 rocket sprocket
2 rocky core
54 scrap metal
47 sharp fangs
9 soul dust
1 swordstone
4 toxic core