Do you think you have enough will power to not eat anything for 5 days to get 20000€?
Thats not nearly enough money for that level of discomfort.
I know about fasting. The say after 3 days it becomes easy and 1 week is safe for almost anyone to fast. 5 Days is actually no problem for that kind of money.
When you guarantee a constant supply of whisky, beer and water it might work.
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