That's a cool idea, but even that rate would probably be too fast. The piano I bought for a few hundred bucks on craigslist is 113 years old this year and still going strong. Good pianos last a long time.

I was surprised when I recently learned that the big concert pianos that are used in the music halls usually lasts less than a decade. But of course, they are played constantly. I assume a home piano that in best case gets played an hour a day or so last longer. And most home pianos are rarely played at all.