Knowing the prices for beer in your country and the earnings you get in the signature campaign, I can assume that you drink a lot of beer

If you are an avid gambler, can you tell if you are counting gambling spending on your way to the jackpot?
Most of his posts are in Russian and therefore I assume that he is from the former USSR. Even here in India we use the term "beer money" to describe passive income. But that doesn't mean that it is used only for buying beer. I was earning $100 or $200 a year as passive income around 10 years ago, and back then I used to spend that money on a variety of insignificant expenses, such as beer, food, movies, shopping.etc.