Makro taking orders which aren't available

This is the 3rd time that I have ordered from Makro, payments immediately confirmed, & then been advised that stocks are not available. Why do I have to wait 10 days to be refunded when you have received immediate payment?

Also, 'Have an enquiry? Submit it here or Email: ***' To be advised: Address not found 'Your message wasn't delivered to *** because the address couldn't be found or is unable to receive email.' How much more inefficient can Makro be?