Online shopping may be the 'thing' these days and there are a plenty of websites that allure you to buy 100*150 Cm The United Kingdom Map Wall Poster Card Non-woven Canvas Painting LIving Room Home Decoration School Supplies on the net, but there's non-e that would guide you - giving out the basics of buying stuff online. So , assuming that you've got all facts packed about the need to purchase your goods online. Mathematics is never cool, especially for me -- so for those like me or even otherwise I suggest you to understand the math behind the discounts and offers. Take your time - understand the expense, the discount and do a lot of calculations; trust me you'll never go wrong. Stop Buying Things You Already Have - The problem with most people is that they tend to buy everything that they like - even if they already have it in abundance, which can be never a smart buyer's characteristic. So what you need to stop doing immediately is stop buying the things you already have - bear in mind there will be another day so you can purchase something new the next day.