I love flylady too. I recommend her to everyone who asks about how to organize.
I hated going to the homes of the hoarders, I would have to bathe in benadryl afterwards and the stench was god awful nasty. They were usually quite manipulative as far as promises went when working with them to get rid of at least the trash.
There was an Animal Precinct episode where the lady hoarded cats and she had over 250 in her small house. I was gagging at the thought of the smell. I know it had to permeate the neighbors home.
There is a show on cable about a guy who goes into apartments in NYC cleaning up for hoarders. Then there is Clean House, and How Clean Is Your House.