Stripe
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Low value to fee ratio
A low value to fee ratio is the entire reason for the two stars. Long ago my company was given a discount for consecutive high volume months. Though our volume is still six figures per month our average sale price continues to rise significantly. Stripe charges per transaction, not per transaction amount. In other words, a company selling 1000 $1 items is charged the same as a company selling ONE $1000 item even though it is 1000 times less work for Stripe. This is the reason we left PayPal but Stripe now does the same. It is a greedy and counter-productive policy. As we did with PayPal we will certainly switch to the first available and reputable service that recognizes this problem and opportunity.