Question

Are you good ... money? for saving, to save, at saving, of saving, in saving.​

Answer 1

are you good at saving money?

Answer 2

Ответ:

Are you good at saving money?

Объяснение:

Умеете ли вы экономить деньги?

to be good at something - (хорошо) уметь что-то делать

Answer 3

The correct phrase to use in this context is "at saving." So, the sentence would be:

"Are you good at saving money?"