Not really from scratch, you need adequate equipment. Hardware such as PC / Gadget and supporting software. And the main thing is internet access but it depends on some places that provide internet access for free to the public.
you are correct, we need equipment if we want to try the opportunities in crypto however if he was referring for using money at the first place. Yes, we can start right away because most of my investment came from doing bounties here in the forum where i can earn some money that i can use for investment. I just need to work hard if i want to make this. Right now, i'm also doing trading but my money came from bounties too.