Richard, alot of good "sage" advice here! From my experience, the old sayings of "good things in life come the hardest", "don't judge a book by the cover", well you get the idea!
Osage is very forgiving in many ways. Take whatever you can get, when you can get it! I've seen alot of ways work! Quick drying, slow drying, tight grain, leaning trees, billets from different trees, and on and on.
But the best advice I can give, If you just starting out, a piece of wood that doesn't look good today, may look real promising down the road with more experience under the belt. So don't toss anything, have fun and Good shootin, Steve