As a Startup founder, What is the hardest part about running QA process?

At the beginning of any product development, it is very important to establish processes. As far as the quality control process is concerned, properly written documentation is very helpful here. I advise you to read several articles on this topic, in particular this one: https://tech-stack.com/blog/test... . After reading this you will be able to create a document which you will understand and which will be suitable for your needs. You will thank yourself for it in the future)