Book (Practical) Politics, economy and society Housing loan refinancing magic

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Economics
Politics, economy and society
Negative interest rates have drastically changed the common sense of refinancing. In fact, you can save a lot of money if you refinance. In fact, many people are saving more than 1 million yen for one hour of work. From the procedures that I thought were troublesome, to the secrets of choosing a bank that I don't understand well, to how to avoid being fooled by the bank, you can easily refinance with this one book. This book keeps your family budget in the black even after old age!