Looks like you should have a good look at DigitalOcean to run your personal side projects or fun stuff, which has a much more simpler and transparent billing model (capped, no nasty hidden cost).

I've been a long time DO customer and overall happy for the past 7 years. I've write my personal experience [1] with DO in another post.

[1]: https://news.ycombinator.com/item?id=23016669