Makro - DISGUSTING service - ordere STILL NOT RECEIVED!!!!!!

Absolutely SHOCKING service from Makro. Ordered something online on 31 Jan and delivery was meant to take place in 2 - 5 days. 15 days later I am STILL WAITING! I phone and phone and keep hearing they will phone me back and nothing but excuses and more excuses.. Obviously they don't care because they have my money. I didn't know that that was Makro's operating model - just take your money and you get nothing in return. I am positively livid and disgusted. And conveniently there is NEVER a supervisor around to speak to! How does one escalate this shocking and disgusting service????