My friends are making it seem like I'm the bad guy but am I really?

For the last few months now there's been tons and tons of drama and it seems to always come back to me. It's your typical teenage girl fights tbh. My best friend and I started drifting over this boy because she assumed something. She started getting closer with another of my friends and began to leave me out and stopped talking to me. Now it's all came up again. The girl she is getting close to text me last night and was being really rude. She said it's annoying that all I do is apparently complain about having no money and how horrible my brother is. Which I don't do! They always want to be going out and doing stuff which I can't afford so all I say is nah can't afford it. And with my brother I don't complain because he isn't horrible just annoying, that's a typical sibling thing. Then she had the nerve to say to me that her and my other friend have been through a lot worse and they never complain (okay true they have had it hard but I haven't had it easy either) and when we went out the other day to get stuff for a concert the girl that wasn't even there started arguing with me because we didn't sit next to our friend on the bus. There was 3 of us someone was going to be left out and we still spoke to her the whole way there. Then she was blaming me for everyone allegedly leaving them out and not inviting them anywhere. They do it themselves because they talk about their plans in front of everyone and stand by themselves. They are blaming me for all of the problems.