If you run a construction business, you already know insurance is one of your biggest operating costs. General liability. Workers' comp. Builders' risk. Together, these premiums can run $30,000 to well over six figures annually and the IRS allows full deductions on all of it. So why do most contractors still leave $5,000 to $15,000 on the table every single year? Not because they did anything wrong. Because their tracking is sloppy, their timing is off, and their records can'