Back to the subject of personal copies of POHs...
Clearly a good idea in general. A note of caution though. Cessna built 152s for many years. So did Reims Aviation. There were lots of versions that varied in many details, some significant, others less so. Make sure that you get a POH that relates very specifically for the type and year of aircraft you fly, or treat it very loosely as a guide only.
Same goes for PA28s and most other training types.