9-Volt Battery
A 9-volt battery is a common rectangular household battery used in devices like smoke detectors, remote controls, and toys.
Estimated value as of 2026 · Source: https://www.amazon.com/Duracell-CopperTop-9V-Batteries-Count/dp/B00005N5U8
Fun Fact
Standard alkaline 9V batteries are single-use, but rechargeable versions can last up to 1600 cycles and cost as low as $0.15 each in bulk.
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Protein Powder
Protein powder is a dietary supplement powder used for personal care and fitness, typically containing whey, casein, or plant-based proteins to support muscle building and recovery.
Glass Cleaner
Glass cleaner is a spray bottle household product designed to remove smudges, fingerprints, and dirt from windows, mirrors, and glass surfaces.
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.