ive been talking to this girl through txt and its going well..but im running out of topics to talk about.. what should i do next? also how do i get her initiate her to start the conversation.. im always the one txt her first.

I used to have issues with this as well, then I came to a realization. Text game is in some ways no different from regular game and it can even be easier. If you're looking for conversation topics, JUST USE OPENERS. It seems so obvious once you realize it but it took me forever to realize it. Any opener you haven't used on her before is perfect for re-initiating conversation and can easily be bridged into other conversation topics, same as in the club or bar. Throw some DHV stories in as well- "The funniest thing happened to me today" and tell the stories the same way you would in person. Mix those two in and you should never run out of topics to talk about. If that still doesn't help, just lower the standard of what is worth talking to her about, Tyler Durden especially espouses this. If something is interesting to you, tell her about it, and be genuine, and she will find it interesting just by how you carry yourself and present it. The most interesting story in the world can sound boring if it's told in AFC ways, a PUA can make any old thing sound like the most interesting thing in the world. Hope this helps buddy, good luck!