What works for fleas?

  
Lady

468605
 
 
Barked: Thu May 5, '11 8:07pm PST 
I have several dogs at my house and need to do something for flea prevention; we had pesky problems last year-- with so many dogs what's an owner to do? Which is best and which is reasonable priced?
wang cai

1264150
 
 
Barked: Sun Aug 19, '12 8:25am PST 
little angel