Key Takeaways: Average Cost: Most Carlisle homeowners spend $9,000 to $15,000 on a professional custom tile install. The Hidden Drivers: Labor and waterproofing account for nearly 60% of the total budget. ROI Factor: A master suite walk-in shower typically yields a 65% return on investment in the Central PA real estate market. Let’s be real, you don't just wake up and decide to spend thousands on a shower because you like tile. You do it because you’re tired of stepping over