I'm thankful that I don't have to vacuum a lot! My mini schnauzer doesn't really shed (which is one of the reasons we got him). I vacuum about once a week when it seems like the carpet starts to look like it needs a "lift". 
I do have to sweep my hardwood floors more often though as they seem to get dusty. But I don't think it is from my dog. For some reason wood floors seem to gather dust! I did get a Mint floor sweeper a couple of years ago. It is so nice to put it to work so to speak on the hardwoods. It scares my dog though so I try to start it when he goes outside. but it soes a good job!
Sometimes I wish I had a rumba that would vacuum the carpet. But most of the carpet is in the upstairs bedrooms so that isn't too bad.
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