Doesn't adhere to delivery times!

Do not purchase online with Makro, this was my first online order and definitely my last. I ordered a item on the 14 May and was told I'll get it between 7-10 business days. It's the 1st of June and I'm still waiting for my item. When I asked can they at least refund me my shipping cost for not honoring the delivery date they said wait 10-14 days. They basically just conveniently bought them more time, how can one item that's in stock take almost a month to be delivered. Definitely the worst online experience.