How can I diy my non-gothic wardrobe?..

I don't have anything gothic in my closets and drawers but I'm getting closer to the gothic subculture and doing my research and diy is a big thing and I'd like to say I'm pretty creative but my mom also says that keeping stuff for potential diy is hoarding, I don't have any sewing machines or even know how to sew I do art tho! I tried to make my own Sioux and the banshees shirt it did turn out well, any advice?