And then the reality of research 9 and 10 hit you....Dailies anyone? It takes approximately 27-31 inferno missions for 219 to 220 ding (assuming 10% XP bonus on you and 12% side bonus). Assuming you have the most awesome team on the planet and do 20 minutes per inferno mission, that's still close to 12 hours of solid missions, less if you have an XP perked crat in team 100% of the time. If you play casual-ish, two hours a day, that's right around 6 days.
If, however, you do dailies, it's 26 total missions. 5 missions per day (3 BS missions, 1 elite, 1 regular), easily less than 2 hours if you do prisoner elite instead of one of the others. That equals 5 days, plus one extra daily - if you fill in with an Arid rift mission, or even a single SL quest or DOJA, that's 5 days max. You can do it in one day, in about 8 hours, if you do all dailies, DOJA, save your Ado/Pen quests, and a couple Arid missions (some of which are repeatable).
The inferno grind is the biggest fallacy that people keep propagating - it no longer exists with the amount of daily/DOJA/quest SK that you can get now, and do in less time played.
I still do a couple a day usually just to fill in the cracks left by dailies, but they are by no means the only or even the best way to level in TL7, efficiency-wise.