Best flooring material for a rental

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Bought a duplex, living in one half, renting out the other (potential for a third apartment above the garage) and I'm looking at doing some updates to the first apartment while I'm living there while also making plans for the third apartment space. What flooring is best for a rental- I don't mean cheapest or most attractive or even easiest to install- I want something that's going to last, something that is 'tenant proof' as far as damage. If it costs a little more or is a little harder to install then it's worth it to me IF I get my money's worth in the long term. 

I will likely keep the carpeting in the bedrooms but is there something I can do to further protect them like laying down a vapor barrier between the carpet and the carpet pad? (I had a cousin who had to rip out the carpet, carpet padding AND subflooring due to previous occupants who had dogs who peed so much in the house they had to gut it to the joists and start over.)

[Claude S.]

Luxury vinyl planks. Waterproof. Looks like wood. Can put in kitchens and bathrooms as well.