Online shopping inconvenience

<p>I bought a HD DECODER DSTV online at hifi corporation on black Friday...I experienced a technical error for my first purchase but the second purchase was sucesssful but both debited from my account.i dd two transaction because I want two recorders.i went o the store to collect my items only to find that one transaction was successful and the other one was cancelled,since then I have been trying to call them and everytime I get a different person and I being told a different stories .They told me to email proof of payment and gave me so many different emails a dress and all of them are invalid.NOW M SO I AM TIRED.calling their call centre everytime and you hold for 10 minutes before answering is ANNOYING.</p>