Gilio

It depends on the type of kit — a basic, single-use radon test kit is deducted as a consumable supply, while a reusable continuous radon monitor is treated as equipment, either deducted immediately under Section 179 or depreciated over time. Simple charcoal or short-term passive radon test kits, the kind sent to a lab after a short testing period and then discarded, are consumable supplies, deducted in full each time you purchase and use one for a client inspection, similar to how any other...

Not directly — like any self-employed professional, you can't deduct the value of your own time or labor spent developing and testing recipes, but the actual ingredient and supply costs used during that testing process are deductible business expenses. This follows the same principle that applies across every service-based profession: the IRS doesn't allow you to assign a dollar value to your own time and deduct it, no matter how clearly that time relates to your business. What is deductible...

Not directly — your own time isn't deductible as a business expense, since the IRS doesn't allow you to deduct the value of your own labor, but the actual product and supply costs used during a bridal trial session are deductible the same way they would be for any paid appointment. This is a distinction that trips up a lot of service-based businesses: you can't put a dollar value on your own time and deduct it, even for a trial session you don't separately charge for. What you can deduct is...