The Most Common Mistake in E-Commerce

We're nearing a year now that we've all been in various stages of unrest and lockdown in our respective states and cities.  With us all being separated, places closed, and looking at our homes and belongings, it's no wonder that e-commerce has grown at such leaps and bounds through 2020.  There was one glaring mistake that I kept running into, though, regardless of the size of the vendor.