It depends. Interest on a loan used for personal purposes is not deductible. Interest on a home equity loan, however, is deductible regardless of what you use the proceeds for. In order for a loan to be treated as a home equity loan, it must be secured by your residence. If you arrange the loan with the corporation so that the loan is secured by the residence, then interest would be deductible as a home equity loan. The limit on home equity debt for a married couple filing jointly is $100,000.
Gain or loss on the sale or exchange of a capital asset held one year or less.