FN FiveseveN Forums - How many PS90 mags are enough?

FN FiveseveN Forums - How many PS90 mags are enough?: "Here's how I figured my 'needs':
One in the weapon.
3 in the soft-case next to the BOB.
2+ spares in each of the vehicles.
2 within easy reach of the front door.
2 in the bedroom."