Price. There is no way around the fact that you will pay less for a software package than you will to hire a CPA or another qualified tax professional. The price of tax preparation software ranges from the $10 to $120 range to websites that offer the service for free.On the other hand, the least expensive tax preparers will cost at least $100 and a CPA is likely to charge at least twice that amount.The upfront savings of using tax software over an accountant is one of the most attractive benefits of filing your own taxes.rice. There is no way around the fact that you will pay less for a software package than you will to hire a CPA or another qualified tax professional. The price of tax preparation software ranges from the $10 to $120 range to websites that offer the service for free.