it seemed unlikely for the spokes to stretch and needed retensioned every now and then, IMHO, it does sound like whoever build it use the wrong spokes length.
I have wheels that lasted longer than that and never needed tensioning every now and then.
Bear in mind I'm riding approx. 40 miles a day 5 days a week
Bear in mind I'm riding approx. 40 miles a day 5 days a week