Direct mail marketing consistently delivers higher ROI than email, paid search, and social media ads — and the gap is wider than most business owners expect. According to USPS report data compiled by PostcardMania, average direct mail ROI stands at 161%, outpacing email ROI by more than double and paid social media ROI by over 600%. For businesses in Greenville-Pitt County's relationship-driven economy — where healthcare providers, university affiliates, and local retailers compete for the same customer