If you're going to support your business through pure advertising, you need 1B hits/month to make $5M/month. You need $5 m per month if you've accepted a large

If you're going to support your business through pure advertising, you need 1B hits/month to make $5M/month. You need $5 m per month if you've accepted a large funding round and/or have large overhead. You don't need nearly that much if your overhead is low and/or your funding is relatively modest.