What is the cheapest way to build a MERN stack app?

Three levers that genuinely reduce MERN development cost without cutting quality: (1) Ruthlessly scope the MVP to the minimum that validates demand, deferring all nice-to-haves. (2) Engage a senior offshore MERN team in India at $22 to $55/hr vs $100 to $200/hr US or UK rates, saving 60 to 75% on engineering. (3) Use a dedicated MERN team model for evolving products, eliminating change request overhead. Avoid the false economy of cheap freelancers without IP protection or replacement clauses.