What do INTP's who can not afford a college education do with them selves?

As an INTP I end up analyzing every company I work for and see that many products are useless and not needed. As an INTP I have evaluated the economy on every level and concluded that my goal is to reduce GDP but I must still obtain a living. I have been working in nursing for 11 years and found that the American health system is no unethical and misguided that I refuse to get another nursing job. Many large companies give a personality test that if I am honest on I will not be selected. I would be great for certain analytical jobs but can not possibly afford a masters degree. This is all the tip of the ice berg so tell me what you think. Low level employees should not analyze things they have no ability to change but my mind never stops.