10 mil is impressive for east blue, but not over the top. Its kind of in between the weak villains like the bandit Higuma (8 mil) and pre-DF alvida (5 mil), but not as high as someone who was actually feared in east blue like buggy (15 mil)

Jango, Captain Kuro's underling, had 9 million. So I think putting a bounty on my character at the same level as that isn't exactly too crazy.

I did add an explanation of how my character got it as well, she's supposed to have a nose for trouble.

That said, multiple people with ~10 mil bounties forming a crew? That would definitely be a cause for alarm with the marines. But that would only make for interesting writing material I say