I am sumoncr. I have already create fiverr account 7 month ago. I am complete already 28 order. can you tell me how to increase my gig sales?
Check out: https://forum.fiverr.com/c/Fiverr-Tips/tips-for-sellers for a multitude of tips on how to get orders.
The best way to increase your orders, is to reach out to people who need your t-shirts. The people who need or want your t-shirts are the people who will place orders. Find ways to convince them to hire you.