this is yet another time when a nice drip system would come in handy =P

Yeah, that bucket idea sounds ideal. But I would only fill it up 1/4 or just over. For this to work...your plants need to be potted in a pot with holes in the bottom. this will allow the soil to soke up to the roots ( I hope ). good luck man.

P.S. Pot plants can live up to 2 weeks without water, but its not good for it and your yeild will probally we a little worse than if it was watered regulary. But in your case I would say its all good if you use the bucket method.