When it comes to tax write offs, there’s a difference between personal and business expenses. The IRS rules state that you can’t deduct personal, living or family expenses. The full cost of business expenses can be deducted. However, if you purchase something that’s used for both personal and business reasons, you can divide the cost appropriately and write off the business portion. For example, if you purchase a new computer system that you plan to use for the business 60% of the time and personal use the other 40%, you can generally deduct the 60%. Más información sobre Is There A Difference Between Personal vs Business Expenses Tax Write-Offs.