I need helpful tips and advice on how to run a business on Magento. If you have this experience, contact me. I'd like to avoid making silly mistakes at the start.

A variety of support methods are available to Amasty customers, including technical assistance and product customization advice, providing a variety of support options.

A good choice of e-commerce platform. It seems to me that Magento 2 is as good as possible for launching an online shop and the first stages of its development and maintenance. My advice is to use different plugins and extensions like custom product labels for magento 2. It doesn't cost much, is easy to integrate and set up, but can deliver real good value.