All Truckers Calculators - Version 1.0 Six Truckers Tax Haven calculators in one download package. Includes: home time, per diem days, per diem eligibility, state income taxes, owner operators tax savings, and tax home calculators. From Truckers Tax Haven -- where truckers go to save money on their taxes. Free. Legally pay no state income tax. Legally get more deductions. Legally et more travel expense deductions. Legally pay no sales tax. Company drivers and owner operators. Get trucker tax tips from Truckers Tax Haven at truckerstaxhaven.com.