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Mark P.

奥地利

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Summ (formerly Crypto Tax Calculator)

What if the one time you need customer service…

If the one time you need customer support, and they are there, you begin to appreciate that a company stands behind their product and services. SUMM does. My rep, Alvin, exceeded all expectations that one might expect for customer service - professionalism, helpfulness, listener, and problem solver. After more than 5 years using the product, I finally had a need for customer support. Because of the time value of the support received to address my issues, I actually renewed my annual trader subscription just because of his excellence.

2026-03-27