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Purifying air is cheap. Whole house purifiers cost at most $8,000 installed. Most people spend 3-8x that on a car. Many people on HN own a Tesla. They can affor
by ketamine__ 6y ago
Purifying air is cheap. Whole house purifiers cost at most $8,000 installed. Most people spend 3-8x that on a car. Many people on HN own a Tesla. They can afford it.