second hand

I've been contemplating upgrading my camera recently and was curious about how often you all replace or upgrade your cameras. Is it a regular thing for you, or do you tend to stick with the same one for a long time? And what do you usually do with your old cameras when you upgrade?

Hello everyone! A big first post for the forum, so my apologies in advance. I am in the process of upgrading from my existing kit to something better, however, I would love to hear some input from you guys (especially those who have experience with both systems). Currently I own an Canon eos...