How to fil out the cr1 DS-260

No you did not apply for visa by entering into DV lottery and not being selected.

To get F1 Visa Stamping on OPT, need to know list of documents required?

Valid passport, valid status evidence. Speak with your school's DSO for particular documents. Please be aware, the consulate is not required to...

H4 visa extension stamping

Yes she may extend at the consulate. There is no H4 expedite process

Will I still get my EAD card?

You will likely receive the EAD before a decision is reached on the resident status. Yes you may wind up having both.

Is it possible to submit additional documents that USCIS requested through Infopass?

You may have difficulty making a timely info pass appointment. If the request came from a local office generally most local office accept hand...

Below is from the USCIS website. To gain insight as to whether your investment is substantial have a consultation with an immigration...

Can EAD Renewal be done for just few months left over on the Visa?

You can apply for extension of EAD based on your spouse L status. The visa end date is not controlling. Yu may apply 4 months before your EAD expires.

Postmark or time of delivery

the time is from the day of the notice and the day of receipt. Postmark does not matter.

Is it possible to file a petition for my fiance right away after getting married?

If your fiance came to the US without a visa you may file a petition for your fiance as the spouse of a US citizen, however, this does not mean he...

Can i change my status to H4 while waiting for my Green card labor approval, if my H1 expires?

It is permitted to file for change to H-4. This does not impact the LC process.