Every Year during tax time many Americans start to get afraid because they have to prepare their tax returns. This task causes anxiety for many people, and is avoided to the last minute for many others. Most of us know that if the IRS is involved then we have reason to be afraid. Audits are on the rise and they can be very intrusive and intimidating. It is important to understand what causes an audit and how to know if your return will be flagged for an audit.