Online shopping may be the 'thing' these days and there are a plenty of websites that bait you to buy 1 Set Electric Rivet Nut Machine Riveting Tool Riveting Drill Adaptor 2.4mm-4.8mm & 1 Set RJ45 Cat6A Connectors Tool on the web, but there's nothing that may guide you - giving out the basics of buying stuff online. So , assuming that you've got all information packed about the need to purchase your goods online. Mathematics has never been cool, especially for me - so for those like me or otherwise I suggest you to understand the math behind the discounts and offers. Take your time - understand the cost, the discount and do a few calculations; trust me you'll never make a mistake. Stop Buying Things You Curently have - The problem with most people is that they tend to buy anything that they like - regardless if they already have it in abundance, which can be never a smart buyer's attribute. So what you need to stop carrying out immediately is stop buying the things you already have - bear in mind there will be another day so you can get something new the next day.