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  Sounds like "Nothing in Life is Free."  I have friends who train their dogs like this.  It is positive, you just make your dog work for everything.  I have kind of been doing this with the IG puppy I have here.  I make her sit and am working on her stay command before giving her food.  So far, she has a three second stay, max.  And I don't free feed.  I feed 2x a day with treats throughout the day. 
 I TRY to make all my dogs do something for me before giving them a treat.  I even intermittently treat for going outside, and they have little tricks I usually ask them to do.  But I also slip up fairly often and hand them a treat without asking for anything.
 
 Agility is purely working for food.  All my dogs have been trained exclusively with food in agility.  With the IG puppy, I am also going to experiment with a laser pointer because she LOVES chasing it and will follow it over the baby gates in the house.  She starts her class next week, I can't wait.  Lizzy is going to be so darn jealous!
 
				__________________Kristan
 Lizzy's mom
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