60-year-old makes fortune of Dh29 million by collecting waste

With the money she made, she invested in properties.

If you think that your waste is worthless, think again. A 60-year-old woman has made a fortune worth of 8 million dollars (Approximately Dh29,385,200) by collecting what people call waste. 
Lisa Selver Smith has been collecting waste, especially empty cans since she turned 50, a report in Okaz said. 
With the money she made, she invested in properties in New York city, worth more than $8 million.
Lisa belongs to a rich family living in Washington and married to a husband who gets an annual salary of $180,000. She has been collecting and selling waste for the past decade. 
Lisa, who holds a college degree, is not willing to stop collecting to the wastes, in spite of all her wealth.