Digital piano key stuck down

If keys still stuck: Keys may become unstick as you wiggle your fingers through them up and down gently. You can try pressing down the keys that stuck and others adjacent to them. You can release the keys by using a flathead screwdriver. Insert it gently between keys that stuck, drive them apart and twist it slightly.

1. How much does it cost to fix a stuck piano key?

How much does it cost to fix a stuck piano key?

However, if you're calling the tech out especially to fix a stuck key, I'd expect you to pay around $50 - $100 for them to fix the key. They'll be able to tell you how it got stuck, why it got stuck and how to make sure it doesn't get stuck in future.