You need an ounce of bud before you have to think about buying butane... You are already counting your chickens... not only have the eggs not hatched, the chickens haven't even fucked yet.

Dog proof? Um... ???

Step one: Plant seeds

Step 2: Grow plants to harvest without killing them

Step 3: Process into oil, bud, hash, bubble, brownies, hell, whatever you like

Step 4: Worry about dogs.