Do you think twin is better? If yes, you should have the preparation of handling two babys at the same time. I have a pair of twin sisters. By experience, everything is double such as diaper, milk, shirt, school fee etc. And they will be sick one after one. You need to teach two at the same time.
We are still thinking whether to have one more baby But.. I may have chance to get two since my relatives also has twin daughters too.
We are also happy if I really have twins next time as my husband prefers to have 3.
Of course, you will be very busy and fully utilized your time and money initially. But later on, you will get double pay from them. My mum is currently enjoying her double-pay every month and double-double year-end bonus.