cfi written

Passed AGI, FOI, FIA written exams. I can apply for Advanced Ground Instructor at local FSDO immediately. I am planning on getting CFI certification in the next 12 months (busy with work now). Can I wait until I get CFI to apply for Advanced Ground Instructor or I have to apply now so I would...

I just passed my commercial check ride yesterday. Now I'm ready to start my CFI training. What're the best materials to study? I know I have two writtens and then obviously a very extensive check ride.

I'm about to finish up my commercial license and will be off for summer break in a couple of months. (Still in college :)) Once I finish my commercial I could get my normal CFI, but it may be easier to just get my Sport CFI so I can instruct back home for the summer. Should I go ahead and get...

I have read on forums that one should study and take both the commercial and CFI written exams at the same time. I have also read that Sheppard Air comes highly recommended. I just called Sheppard Air, and they will not sell me two modules. They will only sell one and the reason is that...