I'll buy any of the following off the mp:
Lvl 20+ only
Note: I buy ALL lvl 20s but focus on priority item base (listed below) as my vault gets overstocked.
Weapon: Dagger>Staff>Axe>Heavies>Sword>Club
Armor: Padded Robe>Robe>Leather>Scale>Chain>Plate
Charms: Light>Wild>Earth>Ice>Fire>Focused>Heal>Wind
Lvl 20: 1 fg (base does not matter)
Lvl 25: 1-2 fg (varies by base item)
Lvl 30: 3-5 fg (varies by base item)
Lvl 35: 5-8 fg (varies by base item)
Lvl 40: 8-12 fg (varies by base item)
Lvl 45: 10-15 (varies by base item)
Lvl 50: 10-19.99 (varies by base item)
Lvl 55: 19.99-35 (varies by base item)