Easily add a floating menu to your XF2 site.
Using style properties, options, add-button panel, and user group permission you can customize and personalize the buttons as well.
User Group Permissions:
Can See Floating Menu
Enable Floating Menu
Click on Overlay...
As you may see in some of my add-ons associated thread, people asked for discounts (mostly because they had plan to purchase add-ons when they were in lower price but because of new features they became higher)
And some people had some good suggestions like offering bundle.