The best thing I would recommend to you as a beginner is the dropshipping fulfillment services Easync. It is a comprehensive solution that allows you to optimize and automate many processes of this type of business, from the simplest to the more complex ones. You can familiarize yourself with all its features here https://easync.io/fbe/.

To effectively meet customer needs, a retail business must have a reliable supply chain, and this directly depends on the reliability of its suppliers. I recommend precoro software, which will allow you to manage suppliers and select only the most reliable ones, creating catalogs based on business needs. Precoro software will serve as a unified solution for all branches and will allow you to easily track supplier information.