Customer service stinks

Their customer service is pathetic. I have had incorrect and non-working stuff delivered and it's a real struggle to return and get your money back. Last week I ordered goods and payment went through, but the order didn't I have written emails complaints in their chat box and NO RESPONSE! They will not acknowledge they messed up and have not refunded. Many times their offers are out of stock but remain listed for months!! Very unreliable and nowhere close to class acts like TAKEALOT....And don't expect to be able to call them - the phone answering service just says "we are not taking calls anymore"!!!!! So you're on your own. What kind of business model is this??