The Commodity Widow is Bought at Jumptown a “hidden” location on Yela.
Typically you can purchase it for around 14.5 aUEC and it sells for around 24 aUEC at Levski & GrimHex.
Trading E'tem and Neon
The Commodities E'tem and Neon are Bought at Paradise Cove a “hidden” location on Lyria.
There are many routes you can take to trade your goods, we have include the most up to date trading sheet to help you along your journey.