An ecommerce store is a sort of business where you sell products to end users, to make money with this kind of business you will have to sell stuffs that are indemand, so first of all you will have to do a feasibility study on what you want to sell, confirm demand before you launch your stores.
You also have to figure out logistics and also have to pay close attention to your revenue because in business like this revenue can eat up your profits, you will have a lot of revenue but your profits will be razor thin, you can start with a single product and expand from there.
You also have to figure out logistics and also have to pay close attention to your revenue because in business like this revenue can eat up your profits, you will have a lot of revenue but your profits will be razor thin, you can start with a single product and expand from there.