$6.00: 15 secrets (2 SSH keys * 1 load balancer + 2 SSH keys * 2 web servers + 2 SSH keys * 2 app servers + 5 database credentials * 1 database) @ $0.40 / secret / month: $0.02: 4,040 API calls (2 SSH keys/server * 5 servers * 1 API call/day * 30 days + 5 database credentials * 1 database * 24 API calls/day * 30 days

