Same here, I got 9 dollars vouchers total and cannot use all of them. I tried to contact them but resolution centre and contact help cannot reach. Stupid robot answered anyhow. My offers are 1,1,2,5 dollars total 9 dollars I can use free from Pay Pal. When I buy using pay pal I felt like I can only use one voucher at a time. If we cannot combine and use the vouchers then might as well give 9 dollars total. I used one time 3.5 dollars then deducted auto from 5 dollar voucher. Next time I buy 3.5 dollars they deduct from 2 dollars and I have to pay 1.5 dollars. They don't combine all of them
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