Note that second- and third-tier are much less willing to sponsor H1B visas compared to R1s. This is because they have less money and less expertise with this, some simply don't see the investment as worthwhile.

This puts a considerable hurdle in your path.

Note that second- and third-tier are often much less willing to sponsor H1B visas compared to R1s. This is not only because they have less money and less expertise with this, but some simply don't see the investment as worthwhile.

This puts a considerable hurdle in your path.