Smartphone photography - LG3 not the newest or best. But what more can you ask for? when all you do is press the button and get this

True this is a panoramic stitch, but that's all. No Photoshop tweeks twiddles or manipulation.

Unless you really NEED what dslr or bridge cameras can deliver by way of fast prime lenses, high definition video (with separate mike sound) or extreme zoom telephoto, the expense (even used) is often hard to justify. While carrying them around constantly in the off change you'll find an exceptional shot a real pain.
Add that to the fact that unless you have taken a news- making 'celebrity' shot and you can't even GIVE anything else away.