"I’m telling you, I have a hit record here. I’m going to tour the world for the longest time and if you don’t give this to me, I have another company that will!”: Triple-neck guitars, modern-day cowboys and the story of Bon Jovi's Wanted Dead Or Ali
'It was quite a process and I believe that each triple-neck is worth about $50,000 – not in materials, but as far as what it costs the company to make them'
https://www.musicradar.com/news/bon-jovi-wanted-dead-or-alive-richie-sambora-ovation-triple-neck-gui