Amazon is very trusted company and 100% working.it never give more time, more money and it sell product on cheap rate as it possible to buy it.
Amazon is global company worldwide and it is recomanded by most of multi national company which work with each other like samsung, microsoft, dell, lenovo etc.
It sell product on cheap rate and 100% quality product, If these product not perfect it is refunded by Amazon company.
I buy a mobile lenovo and it dont show screen on 10th day I call these company and they give me new same mobile and no charges .