I always leave comments on my orders. If it's first time "I have heard good things..." and returning "I liked x, y or z and this product might not be up to snuff for this reason."
I like where you're going with this to a certain extent. These folks are busting their humps and doing something extremely helpful for folks like us. However, they're still in business to make money. No, nothing comes instantly and nobody should expect it to, but I've found most vendors I've gone
through to fulfill orders in a very acceptable time line, usually faster than I ever expected. My comment system makes me feel good, knowing that whoever I'm going
through knows the source of their business and possible faults of products they carry, and that whoever is processing the order gets something a little more motivating than just a list of products.
My main concern for vendors is regulation (that seems like it has to happen eventually). Right now it's an easy cut/dry thing...they're selling their wares and we're buying their wares. What happens when, on a federal level, any "liquid containing nicotine for the purpose of vaporizing" is taxed, and each state has a separate tax rate? Things are going to get a lot harder for them. These guys are working just as fast as they can and pushing as much product as possible right now because, unfortunately, stuff like this sure seems to be coming.
Anyway, trying to get away from that line of thought, our vendors do deserve appreciation where appreciation is due, and I hope people are willing to show it. Customer service is still important for vendors, even though they are selling a specialized product to a group that is starting to have more in the way of demand than the supply they have. We all need to treat each other well, in other words...just like any good business relationship.