1 cent per write to a database is insanely expensive, and no, you can't pay that much for DynamoDB. DynamoDB is free tier for 10 writes/read per second. If you

1 cent per write to a database is insanely expensive, and no, you can't pay that much for DynamoDB. DynamoDB is free tier for 10 writes/read per second. If you go with AWS's most expensive option for access (DynamoDB on-demand, infrequent access), the pricing is $1.56 per million write request units. That's 0.000156 cents per write. That doesn't include data storage, but that ranges between 10 and 25 cents per month, per GB.