3 sourced reports, with what to check before you buy. Each one links to the page it was reported on.
Worth checking
iPad 10. Nesil charging port contact failure — warranty claim denied
nesil şikayet sorun şarj'. A Turkish owner reports intermittent charging on an iPad 10 under warranty; Apple's authorized service said the charging port had contact failure due to frame deformation and denied warranty coverage, quoting 15,300 TL for a replacement unit.
What to check. Intermittent charging on an iPad 10 can be diagnosed by Apple as frame damage causing charging-port contact failure, and warranty coverage may be denied. If you buy one, check the frame/port area early; a charging fault may not be covered if any deformation is found.
iPad 10th gen battery does not last a day and needs daily charging
An eBay buyer review of the iPad 10th gen reports the battery does not last a full day and requires daily charging.
What to check. Owners report the battery drains quickly enough to need daily charging; a buyer should check battery health and expect that a heavily used unit may not last a full day.
iPad 10 heats up in the right corner during app updates
On the Russian forum 4pda, a user reports the iPad 10 heats up in the right corner (where the processor and board sit) during app updates, and asks about weak battery life.
What to check. A forum user reports noticeable heating in the right corner of the iPad 10 during app updates, consistent with the processor/board location. This is a minor comfort concern rather than a failure, but combined with battery complaints it may indicate thermal/power behaviour worth watching.
These reports come from the pages linked under each item: owner forums, repair guides and workshops. They are not a diagnosis of any one unit, and a careful check of the one you are buying still applies.
Text from the Kriko Tablets catalog, version 0.1.1, under the CC-BY-SA-4.0 license.