It is often a big drawback. There's extra paperwork, and H1B visas are limited in amount every year, so you may not get one, and there's a specific date every y

It is often a big drawback. There's extra paperwork, and H1B visas are limited in amount every year, so you may not get one, and there's a specific date every year you can get them. (As far as I remember, anyways. Just saying it's not trivial.)