Home warranty to cover expenses?

[Drew Dim]

I had a co-worker who would get a home warranty like American Home Shield etc and put hose on each of his rentals.  If anything broke or there was any issue he instructed the tenant to call the warranty company to come out and fix the problem IF it was covered and the tenant paid to visit fee (in contract).

Has anyone done this and I'm curious of any and all Pros & Cons

Thanks