ram_pk said:You don't need separate login for spouse. You can use same login use option add applicant.
You can send separte envelope for each of you and send both envelop in another evelope as one.
I had sent 2 EAD's and 2AP's in 4 separte envelopes for me and my wife and all 4 in another envelope.if both EAD and AP mailing address are same.