Good service, bought a cubs clock for the wall for Christmas gift and well liked by receiver

I brought my old small electric table clock in today to see if it could be fixed to run again. The store employee oiled the clock, and when briefly plugged in it ran. the charge was $35. When I arrive

Went in to try and obtain a small screw for my cuckoo clock music box. Politely asked and immediately was dealt multiple defensive answers. To me it felt like I was taking away business from them in t