1/2 to 1 teaspoon coarse salt (depends on saltiness of sausage)
Heat a large skillet, add the olive oil, and cook the sausage, stirring and breaking it up until browned, about 8 minutes. Remove to a plate.
Add the butter to the skillet and when it melts, add the onion and celery. Saute until the onion is translucent, 3 to 5 minutes. Stir in the garlic and sage and cook for 1 minute. Pour in the wine and deglaze the pan, stirring up any browned bits with a wooden spoon.
Add the cubed bread to the mixture and toast and turn a bit. Stir in the cooked sausage, the chicken broth, and salt to taste and cook for 1 minute. Cool the mixture. (This can be done quickly by spreading the mixture on a rimmed cookie sheet and chilling it in the refrigerator.)
Stuff the mixture into the cavity and neck of a cooked turkey, or place it in a large buttered baking dish and bake at 375 degrees Fahrenheit for 25 minutes, or until browned on top and heated through.