Threshold
A door threshold is a building component installed at the bottom of a doorway to seal gaps, transition floor surfaces, and protect against drafts, moisture, and pests.
Estimated value as of 2026 · Source: M-D Building Products and Hartford Building Products retail listings
Fun Fact
Standard residential thresholds typically cost under $30, while heavy-duty commercial versions can exceed $300 due to their higher load ratings up to 10,000 lbs.
Price History
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Snow Plowing
Snow plowing is a professional service using plow trucks to clear snow from driveways, sidewalks, and parking areas for residential and commercial properties in the United States.
Grand Piano (Steinway & Sons Model D)
Professional-grade concert grand piano with 9-foot frame.
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Average total cost of a 4-year degree at a public university (in-state).
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