You’re a self-published author. Good for you. Now grow-up.
While bleeding on the inside, you listen. Being a quick learner and resilient by nature you humbly accept the truth and decide to learn more and become a better self-published writer.
When you have success as a self-published author, you are ready to outsource
Anybody can self-publish an eBook or use POD (print-on-demand) services. What publishing houses are still very good at is book selling.