By Steph McGovern Hidden fees for international payments isn’t a sexy topic, but giving it some attention could transform opportunities for small businesses, writes Steph McGovern, host of The Rest is Money podcast and owner of small business Gootopia For small businesses, expanding overseas can be the difference between profit and loss, success and failure. Yet that expansion can seem tougher than ever. The past decade has seen any number of trade barriers go up: geopolitical volatility, supply chain disruption, inflation, Brexit. As a small business owner, I know just how big and insurmounta…