A Gen Z worker in Spain spends just 5% of his income each month after years of planning. He explains how he does it and how others can increase their savings.
Santiago Puértolas saves 95% of his monthly income, but it took him over seven years to plan how to do so.Santiago Puértolas
<ul><li>Santiago Puértolas achieved a 95% savings rate on his monthly inc… [+5283 chars]
