Managing your own newsletter is crucial for creating a sustainable online-business. With E-Mails you can build a relationsship with your audience and engage with them so they will drive some nice traffic to your new post or whatever you just have published and want to promote.
With the free tier for AWS you always get one active AWS code pipeline per month and 100 minutes of AWS code build per month with which you can create a CI / CD pipeline for a GatsbyJS site.
In general there are two possibilies to use Google Adsense on your GatsbyJS website Auto Ads and custom display blocks.Depending on whether you choose to include Adsense ads on certain spots or whether you will leave this job to the Google AI, you can choose one/and or the other.
With AWS (and in particular the free AWS contingent) you have the option of a static website with a custom domain for a few Hosting cents a month including CDN via CloudFront and CI/CD integration.