<https://forums.geocaching.com/GC/index.php?/topic/181962-gps-what-to-consider-when-buying/#comment-3250317>
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"For the need you described, I would suggest verifying that your device can do waypoint averaging.  That should allow you to improve the accuracy of the waypoints you mark.  As implied in the previous replies, most models will do that. "
<https://forums.geocaching.com/GC/index.php?/topic/181962-gps-what-to-consider-when-buying/#comment-3248953>