What are the alternatives for s3 ?
But remember that AWS is designed to lock you in, especially for your data - that's why traffic in (or within AWS is free, but all outbound traffic is actually quite expensive. Transit charges alone can often be the deciding factor in avoiding AWS services.
Given that computers today are unimaginably more powerful than the largest computers of 2000 (a Raspberry Pi is roughly equivalent of a Cray or large mainframe then!), it's quite likely that you can actually do your work, run your company, etc. on resources that are far more affordable than our presently trendy morbidly obese software demands. Think about the info you really need - it's not usually all that large...