My extra money is spent on benefitting the reduction in systems entropy by...
Lifelong Learning - gaining skills and knowledge I can share with others for free. I embody the principle that the best way to learn something is to teach it. I gather skills and knowledge in order to sythesise effective tools for human and systems progress.
Purchasing land rights for donation to the Commons in perpetuity through trusts to enable: free land-based accommodation to alternative lifestylers; opportunities for craft and skill development; methods for true Mastery of Reality to benefit a humanity of equality.
Right now I unfortunately only have enough 'extra' money to fund the first thing while building resources to enable the second.