Ok, my mother-in-law is coming in May to see my son graduate. My wife wants to take her to Yellowstone for a day or two. We'll be driving up from northern Utah sometime in the week of May 20th. Any suggestions on cheap by nice rooms somewhere around West Yellowstone? Also suggestions on wildlife that time of year would be helpful. I can't believe I've been back out here almost 3 years now and still have never been to Yellowstone.
Any suggestions are greatly appreciated.

Jim