The interest is set at 4% because that was typical for a savings account in the UK when the game starts (2002) but I need to make it change over time
Yes I need to add more jobs and different career paths. Once I add universities the type of job you can get will depend on your degree.
I'm going to add a dating aspect to the simulation so you can start a family and see the expenses associated with that.
Setting a monthly savings amount is a good idea.
Still a very early stage, rough round the edges simulation at the moment