One important thing to keep in mind: your private messages will not land in their inbox, but in a "message requests inbox". So in case they dont reply to you, they are not ignoring you, they just havent seen your message yet
I never preload, that's why I was curious why you do it :D
I try to grind my weed only when I need it, and keep it stored in a restash jar with a humidifier pack to keep it as good as I can