In case you are curious, what I sell it's 3d printing fimament which I make in my garage: https://medium.com/endless-filament/make-your-filament-at-home-for-cheap-6c908bb09922

I am a programmer but I do not like building something which already exists and e-commerce platform is boring for me also Shopify while is good but I need self hosted one for ideological reasons.