Running an optical retail store is a difficult job, we know that. Often the stress of running your own business means overlooking major errors you’re making. Ideally we learn from our mistakes and correct them for the future, but sometimes it’s difficult to see what we’re doing wrong. Pointing out these mistakes may help you realize what you’re doing wrong so you can remedy your erroneous ways. So, without further ado, Here are the 3 biggest mistakes retailers make.