Viktor Mazur is a financier by education, working in various sectors of the Ukrainian economy. Back in the mid-90s of the last century he began to write articles on historical and economic topics. Analyzing the socio-economic events in the life of the average Ukrainian, he began to gather information about abuses in society, which eventually became material for his books on fraud and ways to protect yourself and your wallet from scammers. He still considers the words of the French writer of the XIX century Edmond Goncourt to be topical: "What is happening today is not yet an influx of barbarians, it is an influx of charlatans." The great combiner Ostap Bender knew four hundred relatively honest ways to seize property from fellow citizens, while modern fraudsters not only improve the old but also invent new methods of deception, they have mastered the Internet and cellular communications, cheating without leaving the computer and cell phone. ears, and may even be in other countries. The author also talks about the existing ways of cheating when buying and selling housing, renting apartments; about building pyramids: financial and virtual, about scams with plastic cards and reminds of rules that will avoid fraud. A separate section is devoted to people of retirement age who are the least protected in our society