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.
Priority Mail Express will see an overall rate increase of 3.4% in 2017. 1  Priority Mail will see an average rate increase of 3.9% in 2017. 2  First Class Package Service will see an average rate increase of 4.1% in 2017.