Asking item directly from items collection is very resource expensive. If you need one item from large list and you know its numeric ID or GUID then you should never ask item directly from collection. The reason is very simple â to get item from collection by its index then collection must be filled with items first.
Express Next To Similar Mail Services The Express Mail Flat rate is daily up against the `017 Flat Rate for regular Priority mail envelope at $6.65 (same effective date). So some consideration may be warranted before choosing between these services to the exclusion of other providers.
Flat-Rate Package Options. If It Fits, It ShipsÂ®. Priority MailÂ® service offers a variety of Flat-Rate Boxes and Envelopes that ship for the same price to any domestic address, regardless of how much they weigh or how far theyâre going. Prices vary by product, as shown in the table below. Our Express Mail Â® Flat-Rate Envelope eliminates the need to weigh contents and calculate postage for anything that can fit into the Flat-Rate Envelope. With flat-rate shipping, thereâs no need to weigh anything that can fit (up to 70 pounds) if it is shipped domestically. All USPSÂ® Priority Mail and Express Mail packaging material is available free of charge at Post Officesâ¢ or may be ordered online at no additional cost and shipped to any home or business.