Online shopping certainly is the 'thing' these days and there are a plenty of websites that appeal you to buy payment link over the internet, but there's non-e that will guide you - giving out the basic fundamentals of buying stuff online. So , assuming that you've got all facts packed about the need to buy your goods online. Mathematics has never been cool, especially for me - so for those like me and even otherwise I suggest you to understand the math behind the discounts and offers. Take your time - understand the price, the discount and do a lot of calculations; trust me you'll never fail. Stop Buying Things You Have already got - The problem with most of the people is that they tend to buy everything that they like - regardless if they already have it in abundance, which can be never a smart buyer's characteristic. So what you need to stop carrying out immediately is stop purchasing the things you already have - bear in mind there will be another day so you can acquire something new the next day.