human
What are the most common mistakes that people make when preparing their taxes?
assistant
1. Failing to claim all of their deductions and credits.
2. Not taking into account any changes in their tax rate due to filing status or income level.
3. Not keeping track of all of their receipts, invoices, and other documents related to their income.
4. Not double-checking their return before submitting it.
5. Not researching potential tax deductions or credits they may qualify for.