It's not storage that's expensive with glacier, it's retrieval costs. If you pull data down too quickly its conceivable that it could add up to thousands. In addition to the retrieval fee you have to pay for data out which is huge - $0.09 after the first GB in us-east-1.
Let's say you store 1TB and decide to download it all later. The retrieval fee is $9.73 (1024GBx0.95x$0.01) and data transfer is $92.07 (1023x$0.09). That's over $100 for just that one retrieval.
Let's say you store 1TB and decide to download it all later. The retrieval fee is $9.73 (1024GBx0.95x$0.01) and data transfer is $92.07 (1023x$0.09). That's over $100 for just that one retrieval.