By default, don't create the toolbar, etc. Give the window focus, this pops it to the front on most systems. There is quite a variety of features available and many people will not need all of them.
Price depends on size of list.
Prices are based on volume. It isn't very fancy, but the prices are low. Price is determined by the number of monthly messages. Prices vary by the number of users. There are also 2 more options.