that's... not really true. for the longest time the SMT games and Trauma Center was very rare, then they reprinted. Nocturne got over half a dozen reprints to get to where it is now. didn't tkae as many for DDS but still, those two games got over 4. and good luck getting either devil summoner for a good price. it's relatively new that this has been the case. trauma center didn't go through it as much, but there was a while when TC1 was ridiculous.
there's also a couple that they publish that don't really go anywhere or stay similar. and in due time RH will join the SMT/TC line instead of being in the Etrian Odyssey route. you've gotta take a gamble with it.
but even those games will drop to a very low level. EO2 for example could've been gotten for $12, same for Izuna 2. serves me as a reminder that i really should sell those copies though, i could use the extra $150.
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The King Wang.
Listen up Urinal Cake. I already have something that tells me if I'm too drunk when I pee on it: My friends. - Colbert.