Serverless cheaper?

I don’t think this is emphasized enough - you’re moving from the conventional

3tier

to the serverless

serverlesstier

i.e. the frontend has to be more than just a UI.

If you’re using serverless for cost savings you’re missing a big trick

Mike Roberts of Symphonia (“free” ebook)
His 2016-Aug-04 article on martinfowler.com

While it’s not under the umbrella of serverless, there are other potentially on-the-cheap compute options like bidding for unused capacity.

2017-Sep-15: Understanding and Controlling AWS Lambda Costs