Board Thread:Skyrim/@comment-109.221.212.147-20160403101052/@comment-1746153-20160407065922

It does seem like a particular NPC-related bug (my other characters' spouses like Ysolda and Hilund work as vendors just as they should, so it's not like it's completely broken in my game). Unfortunately, from what I've gathered, no one has found a proper fix for that (even with console commands).