The UPS Store #4530 in Plainsboro is a locally owned and operated business that offers a range of services including packing, shipping, printing, document finishing, mailbox rentals, notary, shredding, and faxing. The staff is consistently friendly, helpful, and professional, often assisting customers promptly and with a smile. Many reviewers appreciate the knowledgeable staff who explain charges clearly and handle their needs efficiently, making visits pleasant and hassle-free. The store is conveniently located next to McDonald's in the Old Superfresh Shopping Center. However, some concerns have been raised regarding Amazon returns. Multiple reviews mention issues with lost or delayed packages and difficulty getting help with return problems. Despite helpful staff in general, the store has experienced problems in processing Amazon returns, resulting in financial loss for some customers and discouraging them from using this service at this location. Customers are advised to keep receipts and watch packages closely. Overall, the store is praised for its friendly staff and good customer service, though some customers caution about potential issues with Amazon returns. Despite these concerns, many customers remain satisfied with the helpfulness and professionalism of the staff, making it a reliable choice for shipping and related services in the area.