Home Depot and Lowe’s are the "gold standard" for moving boxes. They are affordable, stackable, and come in standardized sizes.
FedEx and UPS Stores carry specialized large boxes, including telescoping boxes for mirrors or flat-screen TVs. where can i buy large boxes
Often the cheapest per-unit price if you choose "ship to store" or hit their free shipping threshold. Home Depot and Lowe’s are the "gold standard"
Large boxes need heavy-duty packing tape—standard office tape won't hold the weight. To help you narrow down the best sources: Your specific location (to find local shops) where can i buy large boxes
I can provide a tailored list of local retailers or a specific supply checklist if you share these details.