Free like in Netlify where you end'up paying hundreds of dollars/month for a static side hosted on a cdn. Free means: settle in, bring everything you have over here, come on, we will discuss pricing later on when you're stuck in my bubble.
Don't mind me asking, but what exactly are you doing with Netlify? Your pricing seems a bit excessive to say the least.
Not doing it any more since I migrated to Firebase. avg of 700 visitors/day to a Gatsby blog coupled with forms that send about 10 email/day that was it yes.