def getLimits():
    """Some useful info regarding barchart maximum usage."""
    return """Every user is able to make 400 getQuote queries and 150 getHistory queries per day.
              Using getQuote, One coud track a single stock for open hours updating once a minute.
              Or one could track a single stock for one hour updating every 9 seconds.
              https://www.barchart.com/ondemand/free-market-data-api/faq."""
