Your email address will not be published. Set your fees depending on the complexity of the tax situation as you help them pay appropriate taxes and claim all the deductions, exemptions and credits they deserve. Once you are a registered Tax Preparer you will have your own home-based tax preparer business up and running in a very short time! Beginning in the filing season, the IRS required paid tax preparers to obtain ID numbers, and launched a tax return competency test in November If you pay someone to prepare your federal income tax return, the IRS urges you to choose that person wisely. Define your tax practice.