They are much easier to knit then one would imagine. Easier then socks. However there are some patterns out there that do not have well written patterns. So hopefully you do not find one of those, because you do not want to get discouraged. I posted many patterns for booties somewhere on the forum lol might try different ones! Did you know most preemie foots are only around an inch long. Look at your pinky now the first line towards the top of your pinky to the last line towards your palm but still on the pinky was the size of my preemie sons foot, literally and inch
Keep it up, not saying your doing for charity but to learn something new is a "good thing"