[amachefe]

1. Your excuse here is not good enough to debunk this excuse. Cost of living is a general cost for people living in that location. Family support is not available for everyone. If you move to this location, you will not like if they use family support as an excuse.

Location pay also affects the amount of taxes to be deducted.

2. I do not understand this. If your manager thinks you are not as talented as your juniors then you have to find a better work place.

3. Again, this seem subjective. However, you are sounding like you do not have any option. If you do then use it, if not then be grateful for what you have,