 Testimonial from an actual client. Some restrictions apply. For complete details, please visit OptimaTaxRelief.com. A major retailer's made a move that could rile some of its regular customers. Free shipping is ending at Sam's Club for online orders under $50. Beginning August 19th, the flat rate fee will be $8. The pushback's been growing on social media. One ex-post accuses the big box chain of taking away benefits. Others threaten to take their business to Costco.