big start-ups are starting to fail more than three thousand two hundred have failed just in the last year and a half who's in the graveyard that might surprise you bird remember those e scooters everywhere that's just started to ever land a billion dollar valuation now delisted from the stock exchange and laid off twenty three percent of it's staff how about all of ai healthcare automation company highest valuation was four billion but it shut down last month then we've got convoy kind of like uber for truckers and shippers raised two billion eighteen rounds shut down in october we work coworking space race loving billion dollars and filed for bankruptcy carter reported that eighty seven of the startups on it's platform that raised at least ten million had shut down by october what happened that killed all these unicorns a flood of money since twenty twelve a total of three hundred and forty four billion invested during that time driven by low interest rates which caused inflated valuations and then everyone got a little too excited to find the next uber or facebook if you want to start up you need to start being fueled by profits not promises