$7k pm is a lot of money for two adults.

Rent in a 1 bedroom condo in Woodlands $1700 pm
Food (at hawker centres and food court) and groceries, including lunch at work $2000 pm
Public transport $300 pm
Utilities $150 pm
Entertainment $500 pm
Misc $500 pm
Total $5150 pm
Savings $1850 pm