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Every card I sell has to survive an envelope's journey through automated sorting machines, weather, and the occasional careless handler. Across thousands of eBay orders my damage complaints total a handful, and none of it requires expensive materials. Here's the exact method.
Pick the vehicle by card value
My decision points, in CAD:
- Under C$20: plain white envelope (PWE), untracked letter mail, about C$1.50 in postage
- C$20 and up: bubble mailer with tracking
- Three-figure cards: tracked, and signature confirmation is cheap insurance
The C$20 threshold is personal risk math, not a law of nature, set yours based on what a loss costs you versus the tracking premium, which runs several times the letter rate.
The packaging method, step by step
Card into penny sleeve. Sleeved card into 35pt toploader (details in my sleeve guide). Toploader sealed with painter's tape or into a team bag. Then the part that saves cards: sandwich the toploader between the folded halves of a piece of card stock sized to the envelope, taped so it can't slide around inside. Rigidity plus immobility is the whole game, most mail damage is either bending or the contents shifting into a corner and getting crushed.
Tracked vs untracked: the actual risk math
Of the untracked letters I've sent, somewhere between one and three in a hundred never arrive. At C$1.50 postage versus several dollars tracked, tracking on cheap cards costs more than the losses it prevents, that's the entire logic of the C$20 line. One nuance: untracked means you can't win an "item not received" case, so on eBay you're refunding every claimed loss, legitimate or not. Price that in; it's part of why sub-$5 cards need such careful fee math.
Do rigid mailers and "do not bend" help?
Rigid mailers: yes, genuinely, for multi-card orders they're my default. "Do not bend" written on the envelope: mostly theater once the letter enters automated processing, but harmless. The cardboard sandwich inside does more than any label outside.
The habit that matters most
Consistency. At sixty-plus orders a week, my packing station has everything within reach and every order ships the same way, that's why the damage rate stays flat as volume grows. A great method applied sometimes is worse than a good method applied every time.