Congrats on getting ERAS out of the way. I'm curious as to a number of things, and my school is very little help. How many letters do we need to get and what types of letters? As a DO applying exclusively to allopathic programs, on the cover sheet do you put your AOA# or are you provided an AAMC#? I can almost guarantee that my transcript will be incomplete as my school is notorious for not getting evaluations in for months on required rotations. Will this be an issue? What types of paper work do you have to have to complete ERAS? In general, what are the do's and don'ts of the application process?
Let's say you're applying to anesthesia programs (advanced and categorical) as well as prelims as needed.
Most anesthesia programs require neither an anesthesia letter nor an anesthesia chair letter. However, it's a good thing to have and ideally you'd have a letter from a chair of anesthesiology (somewhere, anywhere), a strong medicine letter, a surgery letter, and if you're really feeling adventurous maybe another ICU or anesthesiology letter. You need at the very minimum 2 letters, 3 is your best bet, if you have a 4th (as above) then that's even better. It's easiest and least stressful on you to have your LoRs requested by July or August since ERAS opens usually Sept 1.
If you have a program in mind, and you think you can impress them with your skills/knowledge/personality, I personally think it is to your advantage to do an away there, but only after a rotation at your home institution. You have to be a good judge of whether or not you rub people the right way.
AFAIK, the AAMC # was issued to us at the time of AMCAS, so I'm not sure a DO applicant would have one. Otherwise I can't help ya.
Everything I've heard and read indicates that your 3rd year clerkship grades, especially on medicine and surgery, and your performance in your anesthesiology 4th-year month, are the crucial transcript items.
A complete residency application is your personal info, CV info (entered into ERAS), PS, LoRs, transcript, USMLE/COMLEX reports, MSPE, photo.
I usually say this first: the FAQs are CHOCK-A-BLOCK FULL of great info. Read them.