Cameras
A used digital camera can have any number of problems. For one, the fact that they are constantly being handled makes them more prone to being dropped. If the exterior surface seems intact, this doesn’t mean the interior hasn’t been damaged somehow.
Going analog won’t save your money either. Light leaks, even minimum ones, are a sure way to never see your photos get developed. You’ll have to stick with your memories rather than photos. You might also want to find out which 11 Thrift Store Items You Should Always Purchase (And 5 You Should Skip).