I got news for you pal, eCommerce is not about what you want to sell. If that were the case there would be thousands of online stores across the world selling really weird stuff.
Consumers only want to buy what they want, not what you want them to buy which is why you have to follow the Captain Excellence e-commerce formula for moderate success.
10% - Pick your niche
10%- Choose a product
10% - Create a domain
20% - Build your shop
10%- Boost your social media
20% - Build trust with your audience.
20% - Launch your product.
#1 above everything else is to make sure you give value and treat it like a real business. Giving value is not always material, it can be something as simple as excellent customer service.