Starting up an online store will inevitably face the competition. If can beat your peers in the industry, you will succeed. If you own a famous brand, you have low cost good quality product resources and a lot of faithful customers, than you own exclusive not-duplicable resources. It will enable you beat your peer on the price, etc. with your abundant strength. The advantages you own will contribute to running your online store fast and successfully. Of course you need to choose an good third party payment processor.
For newbie store, the most important fact is choosing the good quality product and selling with relative low price, along with your unique service and frequently interacting with your customers. By this you can accumulate your word of mouth for spreading your store and building up the base customers.
If you don’t know what type of store you want to start with. You can begin with the kind that more suitable for your product. For resale, you can go with exclusive agent. For brand resources seller, it better to go with flagship store.
To know your category. At the beginning, you are advised to choose the familiar category and familiar customer with familiar products. So it better to do some research before starting up an online store.