Basic needs can be fulfilled in 2 ways ...... you can take lunch from office canteen or you can order from McDonlad. Similar is the case of other daily needs like transport, accomadation etc. that can be fulfilled either way. It is upto you how you will fulfill them
In start every job has problem that are solved with the passage of time. So, no worry and go ahead. You will not be dying of starvation in islamabad.