The fact that you even have a guest room is amazing. It might double as your craft room or an accidental storage space, but it's a room with potential nonetheless. With school about to start and Thanksgiving just a few months away--you KNOW it will come faster than you think!--now is the perfect time to start prepping your guest room.
As a mom, business woman--or both--you need a place where you can be truly alone and at peace. Meditate, read a book, drink a glass of wine (or two). Do whatever it takes to rejuvenate yourself so that you can return as an even more involved mom and a more highly motivated business woman.
I don't need to convince you of how much you truly NEED this, so let's cut to the chase.
I wasn't always knee-deep in floorplans and color swatches. I didn't always have four kids running around and calling me "Mom." Back in the 80s, I was a Command and Control Specialist for the United States Air Force.
"Where are the light fixtures?! The construction team needs to re-wire this. Aren't we wiring this whole room for surround sound? You already put the drywall up? Take it down. Wire it. Do whatever you have to but watch the budget."