Pair of Glasses
A complete pair of prescription eyeglasses with standard frames and single-vision lenses for vision correction.
Fun Fact
The same pair of prescription glasses can cost as little as $69 online but over $400 at a private doctor's office—a more than 5x price difference for identical prescriptions.
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
Heart bypass surgery, also known as coronary artery bypass grafting (CABG), is a major open-heart procedure to improve blood flow to the heart by creating new pathways around blocked arteries.