You know, Pat, I 've heard others say the same thing but then think nothing of going to Lowes or Home Depot and buy a red oak, hickory or other such board and be tickled with the bow they just made. What is the difference other than the kilm drying? Probably nothing in all realty. Those who cut the logs for the big box lumber yard wasn't thinking about bows, either. How long did they let the logs lay around until they were cut up at a sawmill? Who know?
Point is good boards can be found at both the big commercial lumber suppliers and the small local sawmill. And we don't know the history of the logs at either one, too.
The added benefit is at the local lumber supplier, if he takes a liking to you, as mine has done, is that he will set aside a good log just for you and cut it custom. And they really like it when you make them a bow out of the wood you got off them. Gets you more favors