To be deductible, a business expense must be both ordinary and necessary. An ordinary expense is one that is common and accepted in your trade or business. A necessary expense is one that is helpful and appropriate for your trade or business. An expense does not have to be indispensable to be considered necessary. It is important to separate business expenses from the following expenses:
A duple meter metronome that is useful for 2/4, 2/8, 2/2 (cut time), and 6/8 when it has two beats per measure.
The water will drain out of the indoor water line when you cut the indoor copper pipe. Leave the outdoor water faucet open to allow excess water to drain from it. Measure back 4-5 inches from the rim joist inside your house. Make a mark with a sharpie.