When looking for rentals at VRBO - just know that VRBO charges up to $999.00 per year for a listing if you want to be one of the first listings that people see in a town. If you have a regular listing at "only" $349.00 per year - goodness only knows how far down you will be.
If your vacation rental home is in a big city or town - having dozens of rentals listed there is fine, but they go to all the tiniest little places and take listings for anything regardless of quality and as long as the owner is willing to pay their $999.00 a year, the are happy to advertise any dump at the top of that town's listings, and rotate it onto their "featured" listings page!