With the exception of the university darkroom I have never had the luxury of running water. I even considered using drums for prints at one time. But, I find dumping them all in a big try of water, then transporting them to the kitchen or bathroom has never been a problem.
I am quite proud of the blackout system. Two masonite panels in a slide frame in the window. I can open them for light when I am not using them. As well, I will be making a drop in panel for fans for those extra smell things. So far though the smell has never been an issue. The door is far enough away that it is not an issue, but a quick drape may be needed for some stuff.