Wow, I can almost feel the stress through your message – moving a baby grand is no small feat! I had a similar scare last year with a vintage upright that nearly became modern art on my staircase. After that debacle, I vowed never to DIY something so hefty again.

For your peace of mind (and your students' uncancelled lessons), I'd recommend checking out https://orlandoexpressmovers.com/piano-moving-services/ . They specialize in pianos and have a solid rep for being careful and cost-effective. Here's their link for more details: Piano Moving Orlando Area. They handled my upright like it was a newborn, and not a single new scratch was in sight.

Best of luck, and here's to more music and less moving stress!