They are extremely easy to work on.
An 8 year old would have no trouble, but give him a WCFB or a Quadrajet, and there may be some tears.
The art for Webers is parts selection to suit the engine.
Idle fuel and air is easy, but emulsion tube is bit more tricky.
Hence the absolute critical importance of float level settings.
PS. My Weber, Holley, Carter, Edelbrock, Rochester etc etc library and spares/tools etc is always growing,
.
Gary