No payment, what now? order products but don't pay..

<p>I am fed up with this customer, they refuse to pay for something they ordered !</p> <p> </p> <p>from tshirtprinting.co.za</p> <p>i am waiting for final payment you owe us R5250,00 , we have dispatched half your order, we will send you the other half once we receive proof of payment... we also want maxet.co.za to be grateful for the work we have done, which apparently they very happy.. i quote "and not be difficult</p> <p> </p> <p>On 2016-06-15</p> <p><br />Good day</p> <p>I received my order today. I am very happy with it.</p> <p>Thank you very much.<br />-- <br />Maxet Technologies<br />Web: www.maxet.co.za<br />Twitter: @Maxet<br />Facebook: https://www.facebook.com/MaxetTechnologies</p>