Best advice to launch & introduce new SaaS product to the industry!

Hello, Hope you are doing great in life. Forgive me if someone finds this irrelevant. I am here to introduce my self as a learner to this product hunt community. I am happy to share that I am planning to launch a SaaS based (inventory/fulfillment product) in the market. Looking forward to get advice from this helpful community & share your first step story of this flow like how you started!