Filing for AOS is the same no matter what state you live in. All you need is this guide: https://www.visajourney.com/content/k1k3aos
If you want to follow other AOS cases from the same month as yours, this will be the subforum: https://www.visajourney.com/forums/forum/131-adjustment-of-status-case-filing-and-progress-reports/
If you want to read reviews from others who had their interviews at your specific field office, this is where you go to choose the office and type of application: https://www.visajourney.com/reviews/
Can't say anything about the insurance as I've never had one.
If you plan on moving soon, go apply for your SSN as soon as you land in the US. It'll come in handy in April when you and your spouse file taxes together.
Hi ! I had my K-1 interview in Stockholm today and I was approved. The CO said I'll have the passport & visa in about 5 working days. If I want to track the status at CEAC until then, is this NIV type correct ? Today it's No Status, but hopefully on Monday Nov 5 it'll be in another status, right ?