Online shopping is a 'thing' these days and there are a plenty of websites that trick you to buy Underwater Diving Ball Join Connector Clamp Mount Arm For Flashlight on the web, but there's non-e that could guide you - giving out the fundamentals of buying stuff online. So , assuming that you've got all details packed about the need to components goods online. Mathematics is never cool, especially for me -- so for those like me or even just otherwise I suggest you to understand the math behind the discounts and offers. Take your time - understand the price, the discount and do some calculations; trust me you'll never get it wrong. Stop Buying Things You Have already - The problem with most of the people is that they tend to buy anything that they like - regardless if they already have it in abundance, which is never a smart buyer's feature. So what you need to stop performing immediately is stop buying the things you already have - remember there will be another day so you can acquire something new the next day.