Selling expensive products takes more work than moving cheap items, but the profit per sale makes it worth considering. You're dealing with fewer transactions overall, which means less daily grind once things are running. Customer acquisition costs more though, and you need solid suppliers who won't mess up expensive orders. There's an article about how profitable high ticket dropshipping actually is:
https://easync.io/articles/high-ticket-dropshipping/ . Breaks down the numbers and what to expect realistically before jumping in.