Hundreds of new ATMs capable of dispensing as little as $1 are popping up across the country.

Chase and PNC have both been launching ATMs that churn out exact change to the dollar, allowing customers to withdraw denominations as low as $1 and $5.

Chase has rolled out between 350 and 400 such ATMs over the past 18 months, and the count is expected to double by the end of the year. Customers can type in the withdrawal amount, opt for "custom denominations" and select how many bills of each denomination they want.

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