Managing numerous dropshipping shops isn’t hard, but it’s also not simple. To put it another way, you can run numerous dropshipping shops, but whether or not you should depend on your specific circumstances.
References: https://dropshippingads.wordpress.com/2021/08/12/is-it-possible-to-run-multiple-dropshipping-shops/
https://www.dropshipmedia.com/blogs/resources