If you get in the position where one customer dominates your revenue, it can dictate your development plans and may lead you down a path that you dont want to g

If you get in the position where one customer dominates your revenue, it can dictate your development plans and may lead you down a path that you dont want to go. If 20% of your customers bring in 40% of your revenue, I would call that balance. If 40% of your customers bring in 10% of your revenue, you may want to get rid of them, especially the high maintenance ones.