SANFORD, Fla. – A tax preparation company that promises to get customers the “maximum refund” is the target of multiple complaints alleging employees entered erroneous financial information on clients' federal income tax returns.Several customers of Neighborhood Advance Tax have been audited by the Internal Revenue Service in recent months and must now pay back thousands of dollars in undeserved tax refunds, News 6 has learned.“(The company) needs to answer for this,” said Anita McKim, who paid Neighborhood Advance Tax more than $1,000 in fees to prepare her 2019 tax return. “They need to give me my money back.”[TRENDING: DeSantis to lift restaurant limits in Fla. | Here’s how to track your mail-in ballot | How can I tell difference between.