I use the free Heroku plan for the backend. Given I am limiting myself to just 1 country, the sleeping rules don't bother me, and the 14k row limit is good enou

I use the free Heroku plan for the backend. Given I am limiting myself to just 1 country, the sleeping rules don't bother me, and the 14k row limit is good enough for now. So the cost comes from serving the JS and CSS files from S3. And that's 0.30 per month