Or just magically create infinite money for yourself that magically doesn't wreck the economy because if you can't fail you can apparently warp logic and physics and reality in general
Get a lot of majors, open a company that only sells fries, invest on the market and create Pokemons plus running for president in poor countries so I can help them because I can never fail
Stupid shit, mainly. I haven't got skills for progressing humanity in any significant way, but I see plenty of fun things I don't do because I might die. So: stupid shit.
Become an EGOT winner, get every gold medal in the next Olympic games, win the lottery, fix the world economy, End world hunger, make world peace, win the world record for most books owned, build theaters and art conservatories all over the world, sparking a renaissance in art.
Create infinite clean energy, steal a gov. Money printer, build golden spaceship, emperor palpatine, and successfully turn Luke over to the dark side, become immortal
Create an airborne virus that causes temporary infertility from age 0 to 25 (to solve overpopulation) reversible with simple vaccine but only when mixed with MMR vaccine (to solve stupid people population and teen / college pregnancies) . Discover way to exactly recreate petroleum from injecting algae into rock formation for 3 years (means we keep liquid fuel vehicles at net carbon neutral). NY Mets vs Tampa Bay Ray's in 2019 world series. Hacker coalition to steal billions from cartels, triads, and Russian mob.. use it to invest in central America countries to stem immigration.
Try to take over the world.
Ask out Margot Robbie?
Cure cancer
Jump into a volcano
Figure out what's on the other side of a black hole
Not wear a helmet in space