The supplied post contrasts a custom RTX 3090 PC with a $340 monthly AI subscription stack.
This is cost arithmetic only. Validate capability, electricity, maintenance, taxes, and current prices separately.Know when the math changes.
Compare a one-time local PC with a recurring AI subscription stack. See break-even, modeled horizon cost, and the assumptions price cannot answer.
Compare the paths
Break-even is PC cost divided by monthly subscription cost. The model excludes electricity, maintenance, resale, taxes, and capability parity.