Is the sony e 18 50mm f 4 5 6 worth buying used?

Here is what the site says about that.

From Sony E 18-50mm f/4-5.6: Sony E 18-50mm f/4-5.6: A zoom lens by Sony for APS-C cameras, 18-50mm f/4-5.6. Specs - Maker: Sony - Focal length: 18-50mm (zoom) - Maximum aperture: f/4-5.6 (it gets darker as you zoom in) - Made for: APS-C sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E): like 27-75mm on full frame; f/4-5.6 gives about the depth of field of f/6-8.4 there. - ...

From Buying used: Buying used: Cameras and lenses are built to last, and many photographers upgrade often. That makes the used market one of the best ways to afford good gear. A body that's one or two generations old is often most of the camera for a fraction of the price.

Quoted from this site's pages.