No but seriously, a 600 watt HPS with switchable ballast: $200 - $300, Hommade drip hydro system with 4 - 5 gallon buckets: $50 - $100, that includes pump and tubing and a cheap rubbermaid res. gallon of reflective white paint $20 - $30. Some good hydro nutes - $30 to $75. PH testing kit...