Is it possible to stay in US while I-130 is still pending? If she is maintaining status, she can stay and adjust status.

Best not to spend over 180 days abroad from departure. If you intend to do so, seek re-entry permit

You can earn passive income anywhere in the world. However while in the U.S. you cannot provide labor or any other services for any other employer.

You may want to post relevant information regarding the visa your wife used to enter and what status she is currently maintaining.

Is it possible to apply for American citizenship on my own if I obtained a Green Card through marriage? Yes

If COS is approved and you maintain H-1B status, you can port to new employer and no have to file dependents applications again

If your spouse petitions, he can adjust status. If you petition and he is maintaining status, he can adjust status.

Usually the parole needs to be approved before the candidate departs. There is a risk in using a document which would normally be denied upon...

I own a 2b/2b condo, Can I list the second bedroom on AirBnB when I am on H1B? Best to hire a property manager to manage the condo.

Compelling Circumstance EAD? All do not qualify. There must be some extenuating circumstance or compelling reason to seek it.