RE: props- wood or nylon?
Fwiw, I find it's faster to take the flashing off the MAS (Master AirScrew) props with a utility knife. I just scrape the knife blade along the LE and TE of the prop and around the tip.
The MAS props are very durable, but not very efficient. APC brand props usually pull better, but are much easier to break, since they have very thin tips. And the APCs will do even more damage to a finger than a MAS prop.
Wood breaks easily, but it looks nice. Most wood props I've used pull better than the MAS props, but not as good as the APCs in the air. In theory, a wood prop will be less likely to damage anything it hits, or damage the engine if it hits something. Back when I started flying, I was told to use wood props to avoid bending the crankshaft if the prop hit something. Well, I can tell you from experience that even the strongest nylon props won't damage the engine by themselves.
For learing, using the black MAS props for their durability makes the most sense to me. Be sure to take off the flashing, and the little stickers on the back of the prop too. (believe it or not, I've had more than one student show up with a plane with the sticker still on the prop).