Rare and original preserved pressings(of certain groups) and some remasters and 45s can be called investment(if you want to sell it in future) but 5K of 0.39$ records :)...i got bunch of rare records that value got allmost double in five years and i can only say crazy prices today...i dont want to think how much they will cost in about ten years but if i want to sell them all now i dont think it would take more than week or two and would earn a good money...but i dont plan to sell anything...they make me more happy than all money in the world...