Online shopping may be the 'thing' these days and there are a plenty of websites that trick you to buy CR-77 short 144/430MHz vhf uhf dual band vehicle mobile car two way radio antenna over the internet, but there's non-e that would guide you - giving out the fundamentals of buying stuff online. Therefore , assuming that you've got all specifics packed about the need to components 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 while offering. Take your time - understand the price, the discount and do some calculations; trust me you'll never make a mistake. Stop Buying Things You Currently have - The problem with many people is that they tend to buy everything that they like - whether or not they already have it in abundance, which can be never a smart buyer's feature. So what you need to stop undertaking immediately is stop purchasing the things you already have - bear in mind there will be another day so you can buy something new the next day.