沢山稼ぎたいのにシフトに入れてくれないって英語でなんて言うの？

この場合、次のような言い方ができますよ。

ーI'd like to make lots of money, but my boss won't give me many shifts.
「たくさん稼ぎたいのに、上司がシフトをたくさんくれない」

ーI'd like to work as much as I can so I can make more money, but my boss won't give me that many hours.
「できるだけ働いてもっとお金を稼ぎたいのに、上司がたくさん働かせてくれない」

ご参考まで！

"沢山稼ぎたいのにシフトに入れてくれない"
- I want to earn a lot of money but I can't get any shifts.
- I want to make a lot but they won't give me any shifts.

稼ぎたいのに、ボスが私をシフトに沢山組んでくれない。や沢山働かせてくれない。
- I want to work, but my boss won't give me any shifts. No, he won't even let me work.