Make sure that you don't bathe your dog for at least 3 days after the Advantage has been put on and always wait at least 3 days after the bath to apply the product. It is really important not to put it on right after the bath. It makes a big difference on how well it works. It is actually about worthless if you put it on after a bath.
The vacuum is one of your best weapons with fleas. Make sure you do under the cushions of your furniture as well as along the edges of the room and under the furniture. Clean the bedding of course. Those fleas can lay thousands of eggs and no flea product can keep up with a large amount of fleas hatching and jumping on your pet.
There is an all natural product called Diatomaceous Earth that you can sprinkle in and around your home that will help kill any stragglers. You can put it on your dog, too. It is perfectly harmless just make sure you get the food grade and not the stuff they use for pools.
Diatomaceous Earth Food Grade Benefits:Gallon Jars to 50 pound bags
If you get a flea comb it is good to use it after you have brought your dog in from a walk. Just a quick going over can pick up any critters that may have hitched a ride.