NEVER send “hey” as a first text.
You might as well be saying “I have the attention span of a gnat, the elegance of dog vomit, a room-temperature IQ, and have neither the desire nor ability to add any value to anyone’s life. Please talk to me.” Don’t be that guy. The many facets of texting are too long for a single daily “tip,” but for now I think this is the most important one to know. I will soon dedicate an entire article to this topic.