I don't have any answers, but it's worth noting that value per unit of resources may not result in the same ranking as value per time unit. Fox pawboards use trees, which are essentially free (assuming you've got a useful axe), while pelts are harder to come by. Also, foreign traders only take pelts as payment.
I generally don't make crafts for sale, but sell primarily meat and pelts, where I convert the meat into dried or smokes meat as soon as I can and then sell that (currently I'm trying to be mostly self sufficient (Buiodda's mod), so the meat goes into hiring villagers for robber quests, while the pelts go to traders to build up a mound of valuables).