Wanting to Move to Europe.. LPR for Years

[Coleman21 6]

Hi everyone,

So I haven't applied for citizenship yet due to some personal reasons, and I'd like to know more about reentry permit as well. I see that the form looks simple, but there is part 4 Information about Proposed Travel. If I want to move to a European country for a job but haven't even found a job, can I still write that and apply? Like by saying "to take an employment" for "4.1.a purpose" and listing possible European countries for "4.1.b."? Is it ok to not have the detail of who the employer would be at the time of filing?

And how much time in advance should I apply?

If I wait until I actually have a job offer and accept it, then would it be too late to get the reentry permit on time? How long does it usually take to get one? I read that if you get biometrics done, you can leave the U.S. and get the permit at the embassy in the other country as long as you were physically in the U.S. at the time of filing; is this correct? How soon after application do you usually get biometrics done?

Anyone here who has filled out the reentry permit before?

Thanks in advance!