This is a strange idea... Most of us like discounts. Especially for things that we use. Like if we buy 2 chicken for the price of 1. That's a good deal right? We can eat one chicken today and eat another chicken tomorrow. But... is this always true? ​When I was fixing my laptop... I was offered this deal. 1 TB Hard disk + repair = $120 500 GB + repair = $110 Just for $10 more, I could get 500GB more of storage space in my laptop... But yet I chose to only spend $110... Cos... even though there is more value, I would not use it. It's not like the chicken where I can eat it tomorrow. Basically, even IF I bought a bigger hard disk, I would still not utilize the additional space. Recently, in Paris, I got myself a mobile line, so I can be contacted if I go out and use data IF I go out. Even...