The main problem is that usually low quality infra bites you when you get exposure. Which is exactly when you don't want it to fail... For a start, Heroku or A

The main problem is that usually low quality infra bites you when you get exposure. Which is exactly when you don't want it to fail... For a start, Heroku or AWS instance will do and they scale. (As the other commenter said) If you're doing your own infra, you need at least basic fallbacks and safety.