I've run a couple of Sweeneys for years with no major problems. Go the winch down route, if you do. Just don't ever stand right underneath it, since some on here believe owning a winch rig is instant death.
We run a dozen "The Timer" control boxes with Spincact motors and shafts at the lease. Once we figured out their quirks, we seem to be running smoothly, but we keep a few extra units out their for repairs.
Many on here swear by the "Eliminator" spin plates to stop raccoons from messing.
Then there's the whole ground-fill, auger up capsules to consider, that I know nothing about, but look to be easier on your back over the long haul.
...and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth. Gen. 1:28