At the risk of exposing pathologic attention to something simple, the following is offered. A video is here: http://youtu.be/uz9AfpnNIT8
Casting almost daily (twice a day recently, because it is warmer), for a good bit of 50+ years, I have rigged countless times. There is not much to think about while rigging-up other than rigging-up. The following has evolved.
Put or have the reel on the reel seat (I leave the reel on some rods between sessions.) Save the assembly of the butt section to the other sections for last.
Assemble the top sections - they are easier to handle without the butt section.
Join the assembled top sections to the butt section.
Slide the ferrules gently snug, assess the alignment, then twist to just right alignment when firmly snugging the ferrules.
Holding the rod with the left hand, just in front of the reel, identify the end of the tippet, between the appropriate pillars, and start pulling off the leader with your right hand. You are dropping the stripped line. NOW, when the nail knot of the fly line is reached, stop dropping what you strip. Keep the end of the fly line grasped between thumb and index finger while you strip off six strips of fly line, using long finger and side of the thumb. (Six for a 15' rod, 5 for a 13 footer, etc.) Keep holding just the end of the line between thumb and index finger, while dropping the stripped loops between each 3' pull.
Form a loop in the end of the fly line by bending it about six inches from the end and holding that loop with about an inch sticking out between your thumb and index finger of your right hand. You are still holding the rod with your left hand. You will see that you can thread the loop of line through the stripping guide with one hand. The loop goes through quite easily and you can capture the loop on the far side of the guide with the same thumb and index finger by involving the long finger in the grasp. Slide the pinched-together thumb and index finger up the surface of the rod to the next guide and find that, done right, the loop will go right through that guide. Cool.
Now. place your butt section in the back of the van, or onto the grass, or into your hat on any rocks. The rod should be rolled away from you -- the reel falling onto its left side plate. This puts the guides on your side of the rod. Using the same technique of sliding the pinched together thumb and index of the right hand up the surface of the rod, causing the little loop of line to slide through subsequent guides, you will find you can almost thread all the guides without a pause.
When you get the little loop through the tip top, put one finger of your left hand through the loop. This makes it far easier to grasp the leader leg of the loop with your right hand as you pull it all the way through. Now pull out what little bit of the other leg, the non-leader leg of the loop, out the tip top. You now have just enough line out the tip top to keep it sliding through your open palm as you gently move back to the butt section to go fishing.
Notes: You do want to pull the prescribed length of line out the tip top, in order to eliminate the big loop of line between the reel and stripping guide, as that loop, mismanaged, can cause gravity to undo all your hard work, and occasion foul language.
Note2: Yes, if you just pull about a foot of loop through the tip top you can false cast the rest of the loop out. Easy with a 9 footer. Pain with a big rod.