ok its simple the more you learn the more you should do,in a time were everyone has access to every form of information and people us it for stupid shit, like cat pic and selfies?
you can learn every thing a college teaches for free but you chose that over this.
i found a pdf that teach me how to make a solor powered oven that uses aluminum foil and a dame box .
thing how much shit is out there that is that mind Mind-blowingly simple.
my god you can find free full pdf books online i have a who little liberty of my one on my commuter from auto repair to programming, and hell even black smiting,wood working masonry food preservation.
i have a liberty of books that can show me how to grow my own food cook from scratch and basically never pay a cent to any store hell even robber can be grown in the usa with a damn green house coco trees too.
hopefully this gives you an idea of what you can find on line by just searching up this
( insert topic here) pdf