In case you haven't reached that point yet : also evaluate how much network badnwidth is going to cost you if you ever host your servers on aws or gcloud and encounter average success. You may be in for a (bad) surprise.
Now compare that to how much you'll gain from ads. And soon you'll realize one huge issue you're going to have is to maintain your own servers a little bit everywhere in the world.
Now compare that to how much you'll gain from ads. And soon you'll realize one huge issue you're going to have is to maintain your own servers a little bit everywhere in the world.