whitepaper Bottom Up Test Automation here.
Once convinced of the value of test automation, most practitioners ask themselves how and where to start. This whitepaper helps individual team members to start with test automation. It provides answers to common questions that team members have when starting with test automation. Furthermore, it helps to prevent from making the same mistakes that others have made before. Questions which are answered: where to start, what approach to follow, what tools to use, how to gain the knowledge needed etc. In addition, a checklist at the end of each chapter to help focus on the tasks at hand and to summarize the most important points.