Sure, go ahead and sign as preparer.

Is there a way to find legitimacy of a large donation to me? He's a big lottery winner that wants to share!

Not an immigration question, but clearly a scam.

Can I travel India for 45 days with expired greencard while on permanent residence greencard on pending?

Yes, if you have a receipt that extends your greencard ... you are 'good to go'.

Immigration question

Talk to an attorney via a 3-way Skype call ... there are more factors to consider than you mentioned in your question.

MMedical condition grounds for inadmissibility?

I don't see a problem here if you have good insurance.

USCIS CASE DELAY I-130 F2A 28 OCT 2018?

Your/her nationality could impact this case. Yes, all you can do is wait. I've seen it take over 2 years in some cases. Looking at social...

Is it perfectly legal to own a vehicle in the United States , Illinois to be specific while on a b1/b2 visa?

Is it legal to own a vehicle when on a B-2? Yes Will you get insurance? Probably not. Or if you do, it will be expensive.

How can I get B1 visa for my sister?

The big mistake is that "we applied B1" ... she should have applied for a B-2 ... WITHOUT YOUR HELP. Talk to an attorney via Skype .. it may now...

How long (years) can I wait to activate my H-1b?

Failure to activate can be a problem "down the road".

My husband is a lawful permanent resident. I came with a visitors visa and overstayed. Do I need to submit an I-601A waiver?

I agree with Mr. Behar, you need to wait for your husband to become a US citizen.