“My validation process primarily looks like a deep dive into the niche on social media. I'll create an account, say Cal, and then purely consume nutrition and dieting and calorie counting weightlifting content… and then think about what I want, and just build that.”

Become the target customer on social before you write a line of code

Spin up a fresh account, feed the algorithm only that demographic's content, and absorb their language and pain points until you start wanting things yourself. Then build what you, the simulated customer, would actually buy.