Online shopping may be the 'thing' these days and there are a plenty of websites that lure you to buy VBLL FA-SC57U UHF Antenna for ICOM IC-F21BR IC-F21GM IC-F24S IC-F4S Portable Radio via the internet, but there's none of them that could guide you - giving out the basic principles of buying stuff online. So , assuming that you've got all information packed about the need to buy your goods online. Mathematics is never cool, especially for me -- so for those like me or simply 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 fail. 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 is never a smart buyer's feature. So what you need to stop undertaking immediately is stop buying the things you already have - bear in mind there will be another day so you can acquire something new the next day.