Machine + Grinder, maybe around RM1200-1500 depending on quality you buy

Beans can get good ones at around RM150-200/kg

One cup uses about 7-9 grams of coffee. So one bag can make 111 shots of coffee.

1L of milk costs about RM9. One cup of latte uses about 150ml of milk, so can make 6 cups.

So a cup of latte would cost you RM3.20 in ingredient cost.

A cup of latte outside typically cost RM12 nowadays. So got cost difference of RM9

If you spent RM1500 on your machines and drink one cup of coffee a day. You will break even with your machine cost in 167 days. After that you save RM9 per coffee every day

Milk easily lasts 2-3 weeks, 1L can only make about 6 cups, you would use it in a week.

Save RM9/day, is RM270 a month and RM3,240 a year. That's a vacation budget liao