[ldenise]

I had a opossum problem big time. they would have babies and climb onto my deck out side our bedroom.(second floor). they would run on the deck all night long. they would get on our roof (cedar shake) and run all night long. they chewed up my spark plug wires and I had to replace them.
I did some research and found out that they hate garlic. so i took about 6 garlic and crushed each clove and threw them all on the deck and the base of the house. I was so surprised.... from that moment on I have not seen or heard any...none at all. every now and then I will still throw garlic around the base of the house. just in case it wards off any other kind of critter. we have the armadilla around the yard too. all kinds of critters here.
try it i think you will find it works good. and cheap too!