Is the "Error in the previous message" a marketing tactic?
 

More and more often I am getting emails from legit biz that I subscribe to and they will send out a promo email only to follow up a day or two later with "Woops the last email contained an error...our mistake means we will double the offer!" ....what the fuck is this actually their error? Or are they just trying to double the attack on my inbox?

Door #2

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thanks for the idea.

now mix this idea with this https://gfy.com/showthread.php?t=1124667

and offer them double discount
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and then add double pre-checked hidden cross sales.
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monies.

Correct!