[Grey tosses out a moderate sum.]

We should be fine for groceries. Our biggest expense is likely to be any additional equipment you might need besides the gun- [If Manabu needs body armor, for instance, that will require some getting.] -And transportation off-planet.

[He pauses, remembering that Manabu, unlike Grey, can drive.] Or if we'll need a vehicle to get around.

[Grey prudently does not mention how he's been earning his savings, even though Manabu's sort of already been told.]