The neck is only a slightly bit wriggly????????.... You've had the gas up to high!!
Ella, I thought this was a belated April fools joke!

You would be much better off spending a few extra bob on a banjo that plays ok & keeps in tune.
It will be so much easier to learn on.

BTW when I read 'Chineese copy of an Ozark' I laughed so much I dropped my beer all over the carpet, so, you owe me a pint!
& a new carpet!!