Cheap machines often use proprietary parts that only the manufacturer carries. When they
decide to stop supporting that model—which happens fast in budget equipment—you're stuck.
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The Real Scenario
Machine breaks down. You need a part. The part is "on backorder." Your $3,000 machine sits
dead for six weeks. Meanwhile, your floors aren't getting cleaned.
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The Quality Alternative
Major manufacturers support their machines for 10+ years. Parts ship in days, not weeks.