Staircase
A prefabricated or straight-run wooden staircase kit for residential use, typically 10-12 steps with risers, treads, stringers, and basic railings to connect two floors in a home.
Estimated value as of 2026
Fun Fact
The Leaning Tower of Pisa's 294 steps were built with a spiral staircase that famously tilts 4 degrees due to unstable soil, yet it remains climbable today.
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.
4-Year College Degree
Average total cost of a 4-year degree at a public university (in-state).
Heart Bypass Surgery
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