By marking items as "Personal" they will be excluded from your profits and separate from reselling inventory. Marking an item as Personal is useful for those who want to separate their reselling inventory from items that are for personal use.
To mark an item as Personal, right click on the item in your inventory and select “Toggle personals”.
Your items will now be tagged as Personal for their status.
The “Profit” and “Unrealized Profit” columns change for personal items. Since personals aren’t meant to be resold, they no longer display any market data; thus, they will not be accounted for in your dashboard analytics.
To filter your inventory view to show only personal items, select the "Status" filter bar and click “Personal”.