Vienna, VIENNA, May 26, 2026 (GLOBE NEWSWIRE) -- Ahead of the upcoming June 15th 2026 US expat tax filing deadline, MyExpatTaxes, the trusted tax software and support platform for Americans living abroad, has released a new report outlining the most common tax mistakes US expats make and how taxpayers can avoid them filing in 2026. New Report from MyExpatTaxes Reveals Top Tax Mistakes US Expats Make The report is based on trends and issues the f…