Contact management software . This would include preferences, spouses, children, etc. In other words, get to know your customer but don't trust your memory. A portable Palm Pilot can give you access to vital names and pertinent information from wherever you are. Cellular phone .
Sales is all about communication.
You have got to stay in touch with people. If you don't have a cell phone now, get one. If you have one, look into the newer technology emerging with email, fax and Internet access. Get a plan from your cell phone provider so that you don't have to worry about bills getting out of hand. 4 Minimal computer stuff .