You will learn much about the lay of the land. For instance, in a recent trip to Germany a friend noticed a striking similarity between the place of origin on the Neckar River near the Rhein River and the Tupelhocken Valley of Pennsylvania where her Palatine immigrant ancestor eventually settled. Begin to learn all you can about effective use of your local LDS Family History Center. You'll find some useful lessons. Remember that not all volunteers at FHC are as experienced in research as you might be.
Some centers are most fortunate to have well-trained, experienced staffers.