I've seen recommended elsewhere something that I follow -- I place my luggage in plastic bags (sealed) [the leaf-lawn trash bags are big enough for my biggest luggage] while in hotel room. I also place my dirty clothes in sealed plastic bags and when home, wash in hot water and dry on high heat.

I'd rather the cost of plastic bags than having to deal with an infestation at home. New York magazine had a very frightening article about how tough it is to deal with them a while back.