Humans generally have endless needs and feel the urge to get one more so even if you spend all your salary, you cannot fulfill all your needs and desires at once. Life is a struggle to survive people's lives are spent thinking about this and that people have to go to the with some lack or dissatisfaction. Although human needs are infinite not all needs or lacks are the same as people in our society are different people have different needs or needs so it is better to make savings or investment funds to meet the needs of different people. There will be demand but in the meantime building wealth through a savings plan is much less risky and will secure your future and help you build wealth basically, the more money you have the more ways you can use it.