I suggest we add Text Tabs
MSPC has a tab for each option, but when it comes to text the user has to click on the text object to add/edit the text. Most savvy users would instinctively know to do this, but for average users it may not be the first thing they think of. Since they've used the Tabs to add/modify the product, they may be expecting the same approach to adding/modifying the text. Plus on a mobile device, the current text functionality can be cumbersome.