The Most Expensive Hobbies In The World 2016 But in all seriousness, though, you need a lot of money for a real art collection. The most expensive painting ever sold went for $300 million. That’s a lot of zeroes to hang a framed painting on your wall. 1. Art Collecting – Cost: $300 million « Previous Page Pages: 1 2 3 4 5 6 7 8 9 10 2016-04-01 news