Your channel seems like it can have a lot of potential! You should definitely consider making a channel banner and Logo. I also suggest lowering your mic volume just a tad bit. Keep working hard and learn how to edit videos better and make an intro and outro!
How can I better my gaming channel on YouTube? Here's a link to one of my videos in case you need to see it in order to provide any information: https://youtu.be/mbp-MLZhHeE if the link doesn't work my channel name is "J.C.B. Games"
Does the game channel make sense? I've heard that a lot of people try to make money by posting gameplay videos, but it seems to me that it will take too much effort for you to start earning something. In fact, there is another option, and if you wonder where to sell csgo skins, then check this service. I constantly sell various skins and get a lot of money for it.