You sure can, but depends on people you need to support, and some luck. As to the rule, a few observations: - you don't need to become an expert to be in a ce

You sure can, but depends on people you need to support, and some luck. As to the rule, a few observations: - you don't need to become an expert to be in a certain career. - Pareto rule applies. You can learn 80% of the job in 20% of the time. After that, it is diminishing returns, in which case you can be average and have a career.