collecting waste paper

Pressian has an article on old people collecting wastepaper to earn even a tiny income. one old man earns almost 10 000 won a day by collecting paper. As the price for waste paper is 50 won a kilo, it means he collects about 200 kilos a day

Makes me wonder how little people earn for recycling bottles, etc
It’s hard work. I often see old people (60+) pulling big carts full of cardboard. At my house around 12:20 am an old man comes around collecting cardboard, bottles, etc every night.