I have the series 7 and neither the series 8 wasn’t worth it (I don’t have a vagina) nor was the series 9 (I’m not in need of finger tap accessible) .
You can get a used series 7 (fast charge/ bigger screen) and wait to see what series X has to offer
I bought cheap AirPods gen 1 and labeled them sauna pods . I leave my iPhone just outside the glass door. I replace them like once every 8 months or so .
Learned this from Joe Rogan haha