I work 2.5 days per week. Have DD at home and DS in school. DH works full time Mon-Fri. To be very clear, money is ok. Bills will always get paid but we're still trying to pull ourselves out of the hole that my last maternity leave left us in. I'm not complaining though or saying I'm in a bad position, things could just be better.
A weekend job has came up within the same LA that I already work for. It's 1 day at the weekend, easy/nice job within walking distance of my house and whilst it's not as well paid as my proper job it would mean a few extra pounds to pay of the credit cards etc. And I wouldn't need childcare as DH is at home.
As I don't effectively NEED the job would I be being selfish to apply (I know I might not get it before anyone points that out) and take myself away from time with the family (especially DS who is at school during the week).