Disgusting Customer service and refusing to stick to contract

I saw a great deal on Loot and decided to make my purchase. I got my confirmation of payment the next morning. After 2 days i get an email saying my order was cancelled due to a price error.. I don't see how Loot.co.za can just cancel an offer without any notification on THEIR mistake? The product was labelled correctly on the website and cellphone app, with pictures to go along. I also received a receipt and Tax Invoice with the correct details on it. After all of this Loot.co.za still cancels my order. Wherever you go, change of ownership occurs when payment has been made and accepted by the other party. After countless emails back and forth I decided to cut my loss and ask for a refund. Loot.co.za has had my money for a week now without any refund. After 9 emails requesting my money I had no response from them. I had to phone and speak to someone directly and ask them to respond to my email where Loot.co.za asked for banking details. Loot.co.za could have asked for these details when my order was cancelled? After speaking to them again on the phone to make sure they received my banking details I get told my money will only get refunded in 2 days?

Over a week before I get my money back for an error Loot.co.za made?

If I could rate this company less than 1 out of 5 I WOULD.