Yes, in the US, B1 B2 visa holder can get married but it is considered fraud if your only purpose there is to get marry and then filling for adjustment of status.
Its very difficult to get H-1B visa as firstly you must be sponsored by the U.S. employer. Also, there is lot of competition in the US to get job and here is also limited numbers of H-1B visas issued each year.
H-1 B visa offers all the same benefits as H1 visa, but this is for professionals specially with having bachelors or higher degree or certified specialists.
Yes, its possible for L-1 visa holder to get a mortgage but in case if you want to buy a home, it will be headache process as you are not a US citizen.
If the worker has been working outside the US in the sponsoring company for at least 1 year out of the past 3 years, he is eligible to be transferred to the U.S. to work as a white-collar job position.
The F-1 student cannot enter in the US to gain permanent residency lawfully and United State’s F-1 visa allows students to study as full-time students.
There are few ways for the F1 visa holder to get green card
*Marriage with US citizen.
*By receiving employer sponsorship.
*By winning the green card lottery.
*If your relative owns a business there and you get sponsorship from him/her.
*By participating in the military services.
Due to the COVID pandemic, there was suspension of US visa services all over the globe but as the time passes, the restrictions start to ease and for certain nonimmigrants and immigrants visa appointments.