I am not a fan of smart pots. Theyre a pain in the ass to move around and if you live in a dry/hot climate they dry out extremely fast (they dont get clogged btw)..
I like the idea of making your own tho..
I would put the fabric inside of some type of crate, so you can move them if need be. Double up the fabric so it retains moisture a little better. I would also test them out before putting your ladies in them, because it would suck if the fabric doesn't hold up to the weight of the soil after getting wet. :thumbsup: