It's probably worth pointing out that basing custom prices upon a buyer's perceived value of the item rather than the item's cost of production will usually generate higher levels of profit.
It will generate higher revenue, but at higher cost - the cost of figuring out each customer's perceived value. That's not free. Whether it's worth it or not depends on the details of the business.
I would try to come up with a project that you can focus upon. Whether it's writing a book or learning to sail, you'll be less likely to feel untethered. Also, you'll be able to look back and appreciate the time you had off.
It's probably worth pointing out that basing custom prices upon a buyer's perceived value of the item rather than the item's cost of production will usually generate higher levels of profit.