Oh! There's also the Sugar Daddies Verse (http://archiveofourown.org/series/18290) by kelleigh, in which Jared and Jensen are in a long-term relationship and are Sam's occasional sugar-daddies (not sure if this counts for your request): "A 16 year old Sam Winchester meets Jared and Jensen, circumstances forcing him to the streets to earn money." (Sam/Jared/Jensen)