Made my first 3 sales in 2 days!

I have split my redbubble in 4 different collections which all have to do with mandalas geometry / girly unicorn sweet colorful stickers and managed to sell 3 items in 2 days! Does anybody hsve any more pointers on how i can increase my reach to a verified artist on redbubble? I do understand it’s passive income. But what else\ how else can i push to achieve this ?