I Ask You to Open a Shop, and You Go to the End of the World to Become a Money Addict?

You are sick! You are worth over a trillion dollars and you are not willing to discount even a dollar? The number one miser in the apocalypse, traveled to the apocalypse, and with the help of the system opened a shop in the apocalypse. The days are prosperous. Brother, can you get a discount for a dollar less? Discount? Discounts are not in my dictionary! You can pay more, but I, the number one miser in the apocalypse, will never charge a dime less! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.