buy something and sell it for many times

earn enough money to buy flag

[read more](http://taqini.space/2020/04/13/DawgCTF-2020-Pwn-Writeup/#Tom-Nook-the-Capitalist-Racoon-200pt)

Original writeup (http://taqini.space/2020/04/13/DawgCTF-2020-Pwn-Writeup/#Tom-Nook-the-Capitalist-Racoon-200pt).