Some people may think this is over board, but I message any vendor(even my most trusted ones) before every single order. Take CannaXpress000. I love that guy, but he was behind when I placed my order. I messaged him and received no response. That is a red flag to me.
I messaged cannalution( I had never used him before, but I had also never used CX000 at some point), and he hit me back within an exceptable time frame. I ordered on Friday and had bud (freaking AWESOME OG Kush by the way... you gotta try that shit if you like kush strains!) by Monday.
All vendors get swamped some times, and they do not always update their profile. It is not really fair to complain about that shit when you never even checked in the first place. If I call my IRL dealer and he doesn't answer I don't slide cash under his door and wait for him to bring me drugs. I call another dude.
Just saying guys... I know this seems simple or whatever, but if everyone(vendors and buyers) focused on communication more we wouldn't see these kinds of issues as much. I have just seen so many people disappointed by CannaXpress000 and he is awesome. I just think that if you asked what was going on it would be a hell of a lot easier to know what is going on.
Edit: I normally like to hear back from a vendor within a 24 hour period.
From a vendors point of view we always prioritise shipping out orders before handling messages (although we scan the messages to see if a users that's ordered that day has a special shipping request).
As a fairly popular vendor we get more than 200 messages a day to deal with, so if every customer started wanting to talk before each order we would need a freaking call center to deal with it.
We don't mind reassuring customers, we actually message each user a personal when their order ships, (always same day if ordered before 3pm unless we've posted otherwise on our profile).
Whilst I like your sentiment, for larger vendors it would be untenable to handle this so I've got to disagree. Go by when the vendor logged in last and if it's a smaller, newer vendor then maybe it's appropriate. . .
We try and answer all messages within 5 hours, but sometimes the odd message slips through and it takes a bit longer, very rare for messages to unanswered beyond 24 hours though.