Do you have any savings? How can you save the money?
Yes, we do / No. we don't . We put the money in ...
Have you ever saved money when you were small? What did you do with that money?
Yes. I used to save money by ....
How much money do you spend a month?
As a .... , I spend around .... VND per month on ....
What's something you really want to save up for?
I really want to save up for ... in the future because ...
Do you remember what the last thing you spent money on?
I remember that the last thing I spent money on is ....