Image: Artist / Catalog"Buy low, sell high" is classic business advice in just about every industry and part of the economy, but of course this has always been easier said than done.
One of the most common approaches to this truism is known as "market arbitrage" to veteran sellers, and as it turns out, the tools required to engage in it are readily available to eBay sellers of all stripes. Here's what you need to know.
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