You'd have to figure out the setting up stuff just once though and then automate it. It's not like you have to go through this for every additional server you will add in the future or when you have to rebuild it.
> You'd have to figure out the setting up stuff just once though and then automate it.
You're assuming that this is for recurringly set up infrastructure. Sometimes infra is set up once and maintained, othertimes it's set up and spun down. It's also not always automated. The time spent automating something like that might not be worth it in the medium to even long term.
> Also, it doesn't take a week.
The actual amount of time it takes doesn't matter; if it's a day or a month. what matters is costing the time spent on setting it up and maintaining it, and pricing that against AWS costs.
Also, it doesn't take a week.