When it comes to a complex tax situation, it's generally recommended to seek the assistance of a certified tax preparer. They have the expertise and knowledge to navigate intricate tax matters and ensure accurate and compliant filings. So, the best option would be for the taxpayer to hire a certified tax preparer. They can provide valuable guidance and help maximize deductions or credits while minimizing potential errors or audit risks. It's always a good idea to consult with a professional when dealing with complex tax situations.