I hang my buckets but i need to figure out a way to support the buckets by the bottom or by the rim under the handle as over half full is too heavy.
it pulls the handles out over time but i will use a pvc pipe and nipples off a barrel in the summer on the outside run
Use a couple of 32oz gatorade bottles 3/4 full of water and freeze them then put them in your supply tank (mine is a 5 gal bucket)
i have several and just switch them out and refreeze