Before we actually made it into the park, we got settled in at Al's Westward Ho Motel in West Yellowstone, Montana. Very clean, but spartan - definitely within budget.
At Ben's behest, we visited the Grizzly & Wolf Discovery Center in West Yellowstone, MT. Ben was able to take part in hiding the bears' food and then watching while they found it. He took great pride in learning everything he could about bears and then sharing his knowledge with innocent bystanders.
We also got to see the wolves howl: