Memorize the mechanisms and common reactants, you should be able to figure out products if you know the mechanisms. You need to know what electrophiles and nucleophiles are. Also its good to know common solvents, and the difference between polar, protic and aprotic. MOST IMPORTANTLY pay attention to how electrons move.
I can't think of anything else. Everyone said orgo was hard, I didn't think so. I took all the tests high for two semesters and got an A-. Of course I probably could've pulled an A with more sobriety. Next semester imma burn down analytical!
Applying chemistry in industry is all about problem solving. But as far as ochem goes, the most problem solving your gonna do is being given a set of reactants and be required to find the final product or draw a mechanism.