Looking for a low cost way to start your SaaS company quickly? Check out https://mernkit.com. I built MERNKit because I was looking for a solid boilerplate that would allow me to build SaaS apps quickly. All the reputable boilerplates I found wanted a large upfront fee, which to me, seemed like an unwise way to spend startup capital:

I have no idea if your boilerplate will actually work for me I don't know if I have product market fit yet

MERNKit costs $9.99 a month, or $299 one time for an unlimited license. It was built to be cloud provider agnostic and handles authentication, subscription management, user management, and provides a clean extensible UI built on React and Material-UI.