質問: how do you say this in japanese? if your current video credits are not enough for your needs, you can buy additional credits. how do you say this in japanese? if your current video credits are not enough for your needs, you can buy additional credits.
回答: ニュアンスとしては合っています。最後「~しましょう」はlet'sの表現なので、「~して下さい/~しなさい」が適切かと思います。