Social security is fine, but there's no way to over-contribute to intentionally up your benefit. In fact it's sort of the opposite -- the more you contribute, t

Social security is fine, but there's no way to over-contribute to intentionally up your benefit. In fact it's sort of the opposite -- the more you contribute, the lower your marginal returns. If the US government allowed voluntary SS contributions that paid out on a fiscally responsible schedule that might be a good solution. But I'm not sure it would be a better one than just letting private companies implement them.