How can a Solopreneur launch his SaaS as everything isn't perfect

As a Solopreneur we always struggle to face doubts and fears which are What if it doesn't work , it's not upto industry standards, it's not perfect. As i know coding but no industrial experience if i launch a product without professional frameworks and technologies like react and caching and high level database how can i make it to the final stage with basic tools and technologies as i don't have team and money to buy much resources all i have is skills and my little money. Please share your knowledge how i a Solopreneur launch his MVP / Saas and then hire people and grow it