The "minimum viable product" is exactly like the product you had in mind, except with fewer features and more bugs.
Founder: "We're going to validate the market with our MVP."
and not scalable
Minimum Viable Products.
Dude, I got a MVP for my project, do you wanna invest it?
GSD to MVP. MAU, ARR. Lower CAC. See YC, VC. IPO or M&A. No Netflix & chill.