I'm suggesting adding a part of /shop where you can buy items (specifically, blocks) a full inventory at a time. This would make things much easier for people, and may (or may not) reduce complaints about the cool-down for purchasing from the shop. :3
I like this idea, but maybe it could be modified to where you enter in chat how many stacks you want, since you don't always want a full inventory, and it would also be a pain to have to clean your inventory out completely in order to use this feature.
This was removed due to players going to popular places i.e events, crates or spawn and buying a full inventory of dirt and exploiting the lag the entities were giving. If this is to be a feature it'll be in a major shop change due to the complexity it comes with and it wouldn't just be individual items but all. I commend you for suggesting new things! No answer as of right now.