This list of mistakes by John Burke and Steven Criscuolo have both general and complex mistakes that could really cost you in taxes and they mostly can be avoided with a little planning:
http://www.accountingtoday.com/news/Top-Tax-Mistakes-Made-Investors-67796-1.html
That is one reason I don’t bill for telephone and email time – I want my clients to let me know when they are planning something out of the ordinary so we can plan for the results.
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