Be careful what you post on your local town's social media groups! This Karen customer could not wait in line to be helped at a home supply and maintenance store. She and her husband threw a tantrum and, after leaving the store, did not stop there. The Karen decided to review the store on her small town's Facebook group, embellishing her story so as to make it seem that all the employees at the store are unhelpful and lazy. Well, word got around and one of the employees saw the post. Thankfully…