Here is some IRS reading material……
IRS information on Self Employmenthttp://www.irs.gov/Businesses/Small-Businesses-&-Self-Employed/Self-Employed-Individuals-Tax-Center
Publication 334, Tax Guide for Small Businesshttp://www.irs.gov/pub/irs-pdf/p334.pdf
Publication 535 Business Expenseshttp://www.irs.gov/pub/irs-pdf/p535.pdf
