Here's a code snippet showing the lines I added to _ProfitUI_Market_Favorites1.txt for the Tier 10 rares.
Code:
<Data ItemName="..." ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Text=" == TIER 10 RARES ==" Tier="0"/>
<Data ItemName="Banyan Root" ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Text="-Banyan Root" Tier="3"/>
<Data ItemName="Black Star Sapphire" ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Text="-Black Star Sapphire" Tier="3"/>
<Data ItemName="Bubinga Lumber" ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Text="-Bubinga Lumber" Tier="3"/>
<Data ItemName="Metallic Reptile Hide" ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Text="-Metallic Reptile Hide" Tier="3"/>
<Data ItemName="Osmium Cluster" ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Text="-Osmium Cluster" Tier="3"/>
<Data ItemName="Tungsten Ore" ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Text="-Tungsten Ore" Tier="3"/>
<Data ItemName="Effulgent Material" ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Text="-Effulgent Material" Tier="3"/>
<Data ItemName="Effulgent Dust" ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Text="-Effulgent Dust" Tier="3"/>
<Data ItemName="..." ItemEffect=" " ItemType="0" MaxLvl="0" MinLvl="0" SellerName=" " Slot="0" Special="0" Text=" " Tier="0"/>