Another question - can't I pick and choose what columns from source I want in destination?

Today this is not possible. It is a feature will release next year!

Thanks for replying @Marcos Marx (Airbyte). And what about the feature asked in the previous question?

Hi Nivedita, we stick to one question per thread to help keep our small team organized. Please make sure to review the code of conduct here: https://docs.airbyte.com/project-overview/slack-code-of-conduct/