When we are setting up lines originally, we try and head straight downwind.It is easier to control boat and boat not bouncing as much.We prefer to run either straight into wind or downwind once we get trolling.This is easier to control boat if there are any moderate waves and captain can see the waves and run perpendicular to them to run a straighter course.If little wind and waves 2ft or less can run any direction you want.I try and let the driver sort of control where we are running because im busy with lines and driving is soo boring.But if we are not catching, I get involved with where we are trolling.If trolling around structure,should follow contour lines.Driver should put an icon/waypoint on area that caught a double or more fish.Would not put on every fish caught but want to have several out so if one area shuts down,have another option.I believe that if you motor through a hot spot and catch like 3-5 fish in like 20min and then nothing for next 10min,i would turn around and go through that area again.Think also that you can turn off fish if run through same area too often.Think Stedke said that he tries to make a loop that takes about 30min or more to go through same area.As for speed,we troll on the lower end of most guys.Dont be afraid to change up speed and make S turns and pay attention to fish caught on a turn,to see if fish want slower or faster.Agreed on avoiding packs of boats.If not catching,run in straight line toward an area that has different depth water to see if active fish there,or may find an active pod of fish to work.As for effect of current on trolling,more difficult to gauge due to us having no way to measure.But in areas where I know there is more current,i take in consideration with speed and will add or take off a few tenths of mph to accommodate.Remember,let the fish tell you what they want.