When an item sells at a flea market, the first thing you see is the "selling price." However, you also want to check how much you actually kept after deducting shipping, sales fees, and packaging ...

As PCMag's resident data journalist, I practically live in Microsoft Excel. I've learned that it's capable of far more than I ever imagined. These are the tips and tricks you need to know.

When Excel first hit the market, businesses flocked to use it for their management needs. But it’s far from the only option. There are many free alternatives to Microsoft Excel you should know about.