I agree... I think having it bottled and ready to go before listing it on site would be ideal... Especially since everything is either 100% PG or 100% VG now..
That's just not how Wizard Labs does it. They aren't going to keep it premixed and ready to ship out because they mix it to order.
How do you expect them to train their employees if they do it like that in the meantime?
This would go on for much longer if they didn't keep their existing processes and procedures in place while they work through the backlog.