Hi and welcome to Cubebrush!
Cubebrush definitely is worth it I must say. There are many artists that make a stable amount of money from their store. 100+ models would increase your chances of getting found by customers even more. Look into how to dress up your store to appeal to customers and stand out and share your links on your social media.
Don't forget to tag us on social media too. Increases your chances of getting your products featured on our social media.
Don't hesitate to ask questions when needed. We are here to help.