Takealot takes a lot of time to deliver

Ordered and paid 2 items on 8 December 2017. Based on delivery date provided by Takealot (13 December) I specified a delivery address. Courier eventually pitches on 18 December, but I am already on holiday. If they has specified this date previously I could still have altered the delivery address. Courier pitches again on 19 December, but there is nobody home. Phoned Takealot to changes delivery address (which they could not) do, but managed to reschedule delivery for 10 January 2018. Confirmed rescheduled date on their web site. No delivery on 10 January. No delivery on 11 January. Phoned again as their web site indicated delivery on 12 January. But to no one's surprise no delivery on 12 January either. Had a look this morning on the web site (15 January) and now it says delivery has been cancelled. Everytime Takelot personnel have been very courteous, but they seem to be unable to fix the problem. Their delivery dates are unrealistic and optimistic. So I am still waiting for Christmas presents to be delivered, hopefully after 16 January.