Online shopping is the 'thing' these days and there are a plenty of websites that attraction you to buy 2 Pack Artist Portable Painting Brush Washing Bucket Wash Pen Pot Stainless Steel Watercolor Oil Paint Brush Washer Art Supplies on line, 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 particulars packed about the need to purchase your goods online. Mathematics has never been cool, especially for me -- so for those like me and also otherwise I suggest you to understand the mathematics behind the discounts and offers. Take your time - understand the cost, the discount and do some calculations; trust me you'll never go wrong. Stop Buying Things You Actually have - The problem with most people is that they tend to buy exactly what 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 undertaking immediately is stop purchasing the things you already have - keep in mind there will be another day so you can purchase something new the next day.