need help with i-864

[summer0406 0]

hi..i'm under f2b petition wid 4 kids.we were interviewed yday,oct 27 and there's a problem with my mom's income..she had like $35,8XX and for all of us it shld be $36,XXX under the poverty guideline and now my mom was looking for a sponsor that will cover us..my question is, wat if the person hav a GF and they're living together wid one kid but the kid is under the GF and the guy (who'll be sponsoring,i hope) has his mom as his dependent but not living w/him...wat is the best way,,will both of them sign a joint affidavit,it will definitely cover all of us (9 household,right)..

>can they just print the i-864 form fr there computer and sent it to me or they shld get it fr the embassy there.

>can i just scan and print here his tax return and w2 and also the proof of status in the US...

i'm hoping that there's someone who can clarify and help me w/ this coz i'm really getting frustrated...fr the medical (sputum) till here and my medical's expiration is on the 30th of dec.....so,pls help guys...thanks in advance..