18-19 minus tax will give you 16-17. Take away the 10 and you have 6-7 left.
Add in the occasional restaurant visits, buying clothes, servicing the car, your expenses down the line flying, kids birthday parties, paying for travel home and on vacations etc
Singapore is a great place but it's also expensive. If you manage to save anything it's a bonus.
Setting up:
Bond 55000
School fee around 25000 (international school) for the first term including registration fee (two children). You will get 16800 back from the company but only a month later.
Two months rent for deposit plus first month rent 12-15000
Deposit for utilities, telephone 1000
During training you make about 12500. Expect about 4 months until fully operational.
Have no clue how many they need.