A good friend of mine called me 2 weeks ago to ask my advice related to a purchase she had to make for her marketing team: a brochure for their forthcoming new brand launch. She has little commercial purchasing experience and wanted to get the most for her money, while avoiding potential pitfalls. So here are my condensed advices I gave her - which I hope will help you too! They refer to purchasing goods and also services and will help you know better what and how to buy what you need. Know what exactly you need to buy. Be clear in your mind what exactly you MUST get (mandatory) and…