The Liberty Tax Guarantee Accurate Tax Preparation Your Biggest Refund When you do a side-by-side comparison of your return in Liberty Online versus the same return anywhere else, you will more than likely get the largest refund when you use Liberty Online. If you don't, we will eat the tax preparation fees. Accuracy If our math is off and it results in penalties or interest from the IRS, we will reimburse you the amount of those penalties and interest. Satisfaction Get the answers you need when you need them and view tax advice on the topics you want to see. Your tax experience, your way, or your money back. Price Guarantee Register for your Liberty Online account today and pay today’s rate, regardless of when you finish. Your price is guaranteed.