Taxi Hotel to YCAT 1000
Bus to Haneda 1120 (560 x 2)
Bus to Tokyo 1800 (900 x 2)
Taxi to Hotel 2000
Total about 6000 Yen for 2
Time: Probably about 2 hours.......
Time Wasted: Priceless
For everything else there's Mastercard.
The Original poster has never responded on how large his luggage is. I'd say just deliver it the day before, take the train the next day, free and easy.