Pros: Easier than a watering can, no spillage from watering all at once, less worry.
Cons: Takes patience to fill, very fragile.. handle with care.
I purchased one set of these at a local store just to try them out. I read many mixed reviews and was not sure what to expect. The main concern I had was the reviews complaining about the shipping and handling fees charged if you order online. Problem solved by purchasing at a local hardware store. I planned to put several globes in various potted flowers outside. The first two globes worked beautifully and kept my large potted hibiscus watered perfectly. I noticed I did have to refill the globe every other day, but this was not a surprise given the heat Oklahoma has had and the fact that it was a large pot. The second plant was an ivy which was withering away. My ivy came back and is doing great. I purchased six more sets and have them all outside but one. The inside plant stays moist longer and the globe does not drain as quickly. I am sure this is due to the heat outside right now. The trick to the globe is getting the hole dug with a stick first and tilting your globe slightly. Then be sure to check it every few days until you see how quickly it will drain. I don't think their claim that you only need to refill every two weeks is valid, at least not from my experience, but if you are not one to lug a watering can around, the globes are a better way to keep your soil moist!