You can hang heavy tapestries on the walls for added insulation. Rugs on the floors. There's a plastic film product you can put on the window panes to reduce heat loss.
I admit, with a bill that large I assumed a McMansion that you own. In your situation, I'd move to be honest. Easier said than done, with a newborn. But $700/month is completely ridiculous, unless you have really low rent to offset it.
I admit, with a bill that large I assumed a McMansion that you own. In your situation, I'd move to be honest. Easier said than done, with a newborn. But $700/month is completely ridiculous, unless you have really low rent to offset it.