That analogy is not perfect, if you restrict your web app to only serve people within the same single tax jurisdiction as the brick and mortar store, then there

That analogy is not perfect, if you restrict your web app to only serve people within the same single tax jurisdiction as the brick and mortar store, then there is no need to worry about every single tax jurisdiction. But I fully agree with you regarding the need for the federal government standardizing. See my comment at https://news.ycombinator.com/item?id=17367669 https://news.ycombinator.com/item?id=17367669