Step 4: Start applying!
Now the real fun begins! Brush/paint/rag on your stain! Try to work with the grain whenever possible. This first coat will most likely be the hardest, just work steadily and in a thin coat.
Work in manageable sections. For me, that meant a quarter of the table at a time, which was nicely delineated by the seams where the leaves get added in.
Let this set for 5 minutes.