This was mentioned in the thread below. Sounds like a great idea...put your $$ towards this and not Cosequin:

Auto Pet Feeder



There is a 5-meal feeder also - just $9 or so more:



ALSO - my cats were getting kind of 'fluffy', and one needs a UTI preventative (though both are neutered males, so it will help both). My vet said that Hill's Dental cleaned the teeth, was great for weight loss, AND had just been shown to have UTI prevention.

Oscar went down to a good weight in several months!