Exactly! Keep interviewing, and be ready to jump ship. If you are willing to relocate, the world is your oyster.
And you don't have to be all that great and unique. Interviewing for a tech job is a skill you improve with just a bit of practice.
Companies do well as they interview many candidates. Developers generally do worse as they go to less interviews - obviously due to resource constrains.
If you are shit hot good, both X and Y go up. The black magic of negotiating is a rounding error compared to how great & unique you are.