I got this for my father-in-law to use for gardening after he moved in to an assisted living facility (AL), and he wanted his own garden for seeds. (He started a community garden where he lived 25 years ago.) But since he has mild dementia, I figured he would forget to water it if it weren't right in front of him (like the planters were when he lived with us... and he still forgot most days).
I had to paint it to match the other (cedar) planters at the AL, but other than that, set up was pretty simple. It did take more than the 2 cu. ft. of dirt that I brought with me (so I had to go get another bag, which was OK, as the other planters needed more dirt in them).
Filling it with water took a long time, because the AL didn't have a hose nearby, or even a bucket, so I filled it from a sink indoors, about 1 qt at a time, with an indoor watering can. Guessing I made 15-20 trips.
I brought some seeds, and one tomato plant, and my father-in-law proceeded to plants a bunch of different seeds (basil, lettuce, beets, swiss chard, carrot, radish). Unfortunately, the AL's resident squirrels dug up a lot of the seeds (or just dug up looking for seeds), but they didn't get them all, and the basil, carrots and radishes grew mostly unmolested. The lettuce came up, but got pruned as fast as it grew.
But every time it rained more than a sprinkle, it pointed out the biggest flaw in this planter; the lack of any kind of overflow. Yes, there is a drain, but if you aren't there to "pull the plug", it doesn't take much rain to fill the planter up. And if it rains heavily overnight, you might wake up with floating plants. Where this was at the AL, it would be sitting in a 2-3" deep puddle (poor drainage on the patio, thanks landscapers), right where the drain plug was. I solved the problem after a few "floods" by drilling a couple of 1/4" holes in the back side of the box, at about the level of the bottom of the dirt. That way, it can get wet, without filling up (it might fill up in heavy rain, but it will drain). Other self-watering planters that I have have some sort of overflow built it to keep that from happening.
That said, I'd still recommend it. With basically no maintenance, it grew tomatoes, basil, carrots, and radishes, (and fed squirrels other seeds) and this spring, there are a few carrots that have sprouted from last year's seeds. I'd give it 4.5 stars.