Hi there,
You might be seeing the not commercial center In Brunei while u were here. The commercial center here is in Gadong area, Kiulap Area. Serusop Area. More and more shopping center starts to open.
Two Malls are opening soon that is The Time Square and the Airport Mall.
Food is cheap in Brunei. You can go for grocery shoping at Supasave, Giant , Hua Ho , Soon Lee. Brunei is really a safe country to leave in.
Post office are everywhere. Sending things abroad is also provided . Beside that UPS, FE EX, DHL and other courier service also availabe here.
Salary wise...i really have no idea. Depends upon your house will it free provided . Car u have no worries u can get cheap cars here.
ANy questions just email me at masmin75@gmail.com