Laptop no Sale

I went to Makro with an aim of purchasing a Laptop this morning. I was assisted by one of the sales person and we agreed that Acer 2 in 1 Laptop was a correct buy. I confirmed with the sales person that I will be taking the Laptop and he confirmed that there were 2 in stock and he has reserved one for me. Another Sales person came and advise that I should take on an additional warranty. I agreed and we completed the necessary forms. Unfortunately the whole process took just below 2 hours in the stores. I waited a life time for the warranty process to be resolved. Ultimately I indicated that I would rather go elsewhere and that when the process was expedited. After the two hours of my time I was then informed that the two laptops were sold to another customer whiles struggling to sort out the warranty extender. There was only one laptop left which was a demo and I was willing to take that one. I escalated the matter to the floor manager who unfortunately informed me that I can have that demo at normal price because it has only been on display for the day. I was frustrated as I felt as if with all the inconvenience caused I was just brushed off and in not so many words told to either wait for the stock or purchase the Laptop elsewhere. I opted for the latter option.