Currently if you set undercut price to 1 silver - if the auction is listed at 1 silver, you will not be able to post it at all because the price in selling tab becomes 0, so the user is forced to enter 1 silver to undercut

ideally addon should default to 1 silver in the selling tab as I assume that is currently the lowest price possible to put on AH
by the way - clicking on a lowest auction in selling should also default to 1 silver (assuming clicking on an item in left "bag" window and clicking on a lowest auction is 2 separate events (im a noob)

example item:

example settings in options:

thanks!