Debt interest costs are fully tax deductible as a business expense and in the case of long term financing, the repayment period can be extended over many years, reducing the monthly expense. (thebalancesmb.com)
If the premiums for the policy were not deducted as a business expense then the income from the disability policy should be received tax free. (answers.com)
Do I understand correctly that one can deduct that portion of your home's property taxes as a business expense that is used for your business? (biggerpockets.com)