From now on, I would like to buy products from this store. What methods of payment are available when purchasing from Japan? Can credit cards be used?
ご質問ありがとうございます。
"From now on, I would like to buy products from this store."=「今後、このお店から商品を私は買いたいと思っています。」
"What methods of payment are available"=「支払い方法には何がありますか。」
"when purchasing from Japan?"=「日本から購入するときに。」
"Can credit cards be used?"=「クレジットカードは使えますか?」
ご参考に。
I'd like to start buying some of your products in the future.
What's the best way for me to pay from Japan?
Can I pay by credit card?
この場合、次のような言い方ができますよ。
ーI'd like to start buying some of your products in the future.
「この先あなたの(店の)商品を買い始めたいと思う」
ーWhat's the best way for me to pay from Japan?
「日本からの一番良い支払い方法はなんですか?」
ーCan I pay by credit card?
「クレジットで払えますか?」
ご参考まで!