Peter Parker should get some type of job in fashion. He designed and created his own stylish superhero costume by himself, so clearly he knows about fashion.
Working at a fashion company is also a good job that pays the bills, and he doesn’t have to worry about money while being Spider-Man.
It’s also not that time-consuming.
Rock climbing is bang in the middle of the two circles “nerd” and “ripped.” Half the folk at my local wall are complete dorks (and I mean that affectionately) whilst also being slabs of muscle. Seems to be popular amongst people working in compsci/IT.