With Prime Day right around the corner, a new survey has shown just how much money Amazon is able to squeeze out of its customers. The average American spends $91.75 on the ecommerce site each month, according to data gathered by Upgraded Points, which quizzed 3,200 shoppers across 44 states about their Amazon consumption habits. While customers who aren't Amazon Prime members spend an average of $38 per month, members of the subscription shopping service spend an average of $110 per month, or $1,320 a year, the survey found. During Amazon's Prime Day shopping holiday, customers reported spending an average of $117 on discounted products. I know I'm very guilty of it," Bre Lewis, a research assistant at Upgraded Points, says of spending money on Amazon.

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Persons: Bre Lewis, they've, Lewis Organizations: Amazon, Foods, CNBC