I wonder what the big bargains are today. Maybe I'll take a look in the flyer.
I wonder what kind of special sales they have today. I'll look in the flyer.
この場合、次のような言い方ができますよ。
ーI wonder what the big bargains are today. Maybe I'll take a look in the flyer.
「今日の特売はなんだろう。チラシを見てみようかな」
ーI wonder what kind of special sales they have today. I'll look in the flyer.
「今日の特売は何かな。チラシを見よう」
「特売」は big bargains や special sales などと言えます。
ご参考まで!