Maplibre (https://maplibre.org/) offers a beautiful open source solution. There are affordable open source solutions for OSM base maps too (https://github.com/protomaps/basemaps), where you can host the whole thing as a single static file.

No one should be paying Google per API key :)

I totally suck at the piano/keyboard but I still enjoy it so much

Hi Cookie! That’s a handsome loaf you have there.