The Qur’an tells us ‘Eat and drink, but waste not by excess, for God loveth not the prodigals’ which means Eat and drink as much as you want but don't waste wealth more than you need to for Allah does not love those who waste.
That you shouldn't be greedy about the money because poor people don' t have those things that you have got . Allah gets angry with the person that does not share there money with others.
They say to be generous with your money
Muslim attitudes towards wealth and poverty
It teaches us that we should care about our muslim brothers and sisters around the world
They pay taxes for poverty