education. Kids in my current school complain about it but me, I'm happy I have it because in the country where I used to live at, education is pretty expensive :/
Time is also another thing that humans take for granted!
But spiders are good. Spiders have 8 legs. Bugs have 6 legs. 8 is clearly a bigger and better number than 6. Spiders eat bugs. Ergo spiders are awesome.
(I'd have to say....toilet paper is taken for granted