Idea to make customers even happier. ;)

Hello, is it possible to sell an item only once per vipe? If so, what would the configuration look like?

Hi I know I've asked this before and I'm sure many others would be happy about this function. If they would add the possibility to hide more buttons.
custombuttonstoggle
custombuttonstoggle1
custombuttonstoggle2
... 
and possibly the possibility
- to hide the buttons when you close the inventory.
- and that the inventory and the button closes when a button is pressed. 
This would actually be worth a donation of at least 20 euros to me. Or make a suggestion. I would be very grateful. 

Sorry to disappoint you but this plugin is really just in  maintenance mode, I don't have spare time to keep expanding on features. 

Changed Status from Pending to Not a Bug