Congrats on the new job!
It does sound like you have a lot to juggle, but hey, that's what makes you a rockin' working mom
Have you checked out The Working Closet Blog here at WIM? Susan offers some great tips there about putting an affordable and stylish work wardrobe together. It's here:
I think my only words of wisdom would be to prioritize -- figure out what you HAVE to do (e.g. this new job, spending time with family, perhaps your freelance clients) and what might have to wait a bit (e.g. your novel). I love to write as well, so I hate giving advice about putting your novel on the back burner, but I do think prioritizing things makes it all easier to juggle.