![Can someone explain how this went coast to coast First Class for only $1.20? First class typically costs me $3.70+ : r/USPS Can someone explain how this went coast to coast First Class for only $1.20? First class typically costs me $3.70+ : r/USPS](https://i.redd.it/e9ug9eijvy4a1.jpg)
Can someone explain how this went coast to coast First Class for only $1.20? First class typically costs me $3.70+ : r/USPS
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Amazon.com : 25-Pack Stay Flat Rigid Mailers 9x11.5 with Self Adhesive Seal, 450 gsm Sturdy Bulk Brown Cardboard Envelopes for Shipping Photos, Magazines, Comic Books, Art Prints, Documents, Collectibles : Office Products
![I sell jewelry and have always mailed with USPS first class. I got this mail returned to me today and have no idea what went wrong. I never had an issue before. I sell jewelry and have always mailed with USPS first class. I got this mail returned to me today and have no idea what went wrong. I never had an issue before.](https://preview.redd.it/i-sell-jewelry-and-have-always-mailed-with-usps-first-class-v0-ab4z1r36j4aa1.jpg?auto=webp&s=1a3841820610c7a48cb46c3a6163cd608d08ff9c)
I sell jewelry and have always mailed with USPS first class. I got this mail returned to me today and have no idea what went wrong. I never had an issue before.
![How do I calculate how many stamps to use on a ReadyPost bubble mailer? I was told I could ship these across the country for under $5 each at the post office How do I calculate how many stamps to use on a ReadyPost bubble mailer? I was told I could ship these across the country for under $5 each at the post office](https://preview.redd.it/how-do-i-calculate-how-many-stamps-to-use-on-a-readypost-v0-f0v7kpfmwaga1.jpg?auto=webp&s=851615c33b1e374756eabda19c45ac1a78c69251)
How do I calculate how many stamps to use on a ReadyPost bubble mailer? I was told I could ship these across the country for under $5 each at the post office
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Amazon.com : 100 Pack 6x8 Rigid Mailers - 550 GSM Thick Self Adhesive Stay Flat Cardboard Envelopes for Shipping Photos, Documents, Collectible Trading Cards (White) : Office Products
![USPS returned all 50 of my first class mail parcels?? I bought the shipping labels through Shopify. Please help : r/USPS USPS returned all 50 of my first class mail parcels?? I bought the shipping labels through Shopify. Please help : r/USPS](https://preview.redd.it/usps-returned-all-50-of-my-first-class-mail-parcels-i-v0-e7k3bkf0mqsa1.jpg?width=640&crop=smart&auto=webp&s=0fd2cb412611f67e98f38706f48351e7919f7a0c)
USPS returned all 50 of my first class mail parcels?? I bought the shipping labels through Shopify. Please help : r/USPS
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Amazon.com : CARDBRICK MAILERS for 12x18”, 11x17” Photos, Posters, and Documents. Pack of 10. Cardboard Rigid Mailers. Heavy Duty No Bend Protection Shipping Envelopes. Lightweight Shippers for Reduced Postage. : Office Products
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Amazon.com : 50 EcoSwift 6.5 x 4.5 Rigid Photo Mailers Stay Flats White Cardboard Self Seal Envelopes : Office Products
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