I dry tumble, but - once I have sizing lube on the brass from resizing and whatever else, flairing etc. Before taking the prepped brass through the loading process, I just wash it in a tupperware bin with hot soapy water, rinse it off, roll the bin around a bit to run most of the water out of the brass, and dry it on 250 in an oven for a while. I don't know if it matters to wash it like this, but I do for now. I've also just wiped the lube off the cases with a shop towel after sizing, if I want to pick up the pace a bit, and don't feel like takign the time to wait for it to dry. I've also just used patches and a toothpick to clean out the inside of case necks if I want to get lube out of bottleneck cases, and don't feel like an additional wash cycle.